SULFUR / FIELD MANUAL

Cobalt Games / SULFUR / Oil tier list

FIRST-RUN OIL VALUE / EDITORIAL PICKS

Pick the oil.
Understand the cost.

Twenty curated oils. A clear reason for every placement. Find a first modification that fits the run you actually want to finish.

1.0.2 source review2 Nov 2026What changed ↗
Explore the tiers

THE SHORTLIST / S–C + SPECIALISTS

Start with a reason.
Then choose a bottle.

Select an oil to see its placement, cost and a direct link to the workbench.

20 oils shown. Select a bottle for its placement notes.

THE FULL REASONING

Read past the letter.

All twenty notes remain available here, including without JavaScript.

SHigh Grade OilFirst-run oil value

High Grade Oil
First-run value · S tier

Why this placement
High Grade keeps the question simple: would more maximum durability help the gun finish its intended outing? The item reference also gives it an explicit exception to the usual extra wear increment. That makes it an approachable comparison while preserving the gun’s established shooting behavior.

The cost to notice
It occupies a slot; inspect the current wear and repair state separately instead of assuming the whole maintenance problem is solved.

Choose it when

  • Check the current item’s durability-loss exception.
  • Use it for an actual maintenance shortage, not merely because a slot is empty.

Skip it when
Postpone it when the gun is already sustainable and the real failure is aim, reload timing or ammunition.

Plan around
A familiar firearm you intend to keep using · A separate repair and return plan

Inspect High Grade Oil in the workbench
Sources for this pick
SLess Recoil OilFirst-run oil value

Less Recoil Oil
First-run value · S tier

Why this placement
A recoil problem is visible: the next shot climbs away before you can correct it. Less Recoil targets that problem without asking you to give up aimed fire or learn a new projectile route. We value that readable feedback for a player still learning one dependable gun.

The cost to notice
It does not remove spread, correct a bad firing lane or eliminate normal enchantment upkeep.

Choose it when

  • Confirm that recoil is causing the misses.
  • Compare follow-up shots at your usual fighting distance.

Skip it when
Skip it as an automatic addition to a setup that already stays on target; use the slot for a demonstrated need.

Plan around
A gun whose follow-up shots are difficult to control · Short bursts and a repeatable practice distance

Inspect Less Recoil Oil in the workbench
Sources for this pick
AReload OilFirst-run oil value

Reload Oil
First-run value · A tier

Why this placement
Reload Oil is a sensible comparison when an otherwise usable weapon repeatedly leaves you waiting for the next load. The improvement is easy to recognize in a familiar reload cycle. Our recommendation is to address that interruption before adding a transformation you cannot yet evaluate.

The cost to notice
A faster reload cannot create cover or guarantee that a large ammunition reserve lasts.

Choose it when

  • Check how the specific gun loads or charges.
  • Confirm the current card and one complete reload cycle.

Skip it when
Do not assume the same practical result on single-loading, charged and unusual firearms without checking their behavior.

Plan around
A weapon you already understand between magazines · An approach that leaves room to reload

Inspect Reload Oil in the workbench
Sources for this pick
AAdd Damage OilFirst-run oil value

Add Damage Oil
First-run value · A tier

Why this placement
A flat damage addition asks a relatively narrow question about a gun you already know. It is easier to compare than adding several projectiles and changing their size at once. We put it high for clarity, while keeping the weapon’s actual result more important than the appealing modifier name.

The cost to notice
It still uses capacity and maintenance budget; a listed addition is not a guaranteed improvement to every transformed projectile.

Choose it when

  • Compare the same gun and ammunition before and after.
  • Keep the rest of the loadout stable for the comparison.

Skip it when
Avoid spending it to disguise a targeting, distance or ammunition problem that extra listed damage will not fix.

Plan around
A familiar direct-hit firearm · Handling that already lets you land the intended shots

Inspect Add Damage Oil in the workbench
Sources for this pick
ADamage OilFirst-run oil value

Damage Oil
First-run value · A tier

Why this placement
Damage Oil offers an understandable percentage-based direction for a weapon that is already doing its job reliably. It belongs after the player can land shots and sustain the gun. We would compare its actual contribution rather than add it first and hope it compensates for every other weakness.

The cost to notice
A larger listed shot can still be wasted by misses, overcommitment or an outing that runs out of supplies.

Choose it when

  • Identify a direct-damage need on the current firearm.
  • Inspect the complete modified card and repair requirement.

Skip it when
Delay it if you are still struggling to aim, reload safely or leave with enough supplies.

Plan around
Consistent target access · A maintenance budget that supports the extra enchantment

Inspect Damage Oil in the workbench
Sources for this pick
BCritical OilFirst-run oil value

Critical Oil
First-run value · B tier

Why this placement
Critical Oil improves a chance-based part of the attack. That can be useful, but a beginner should not plan the next dangerous exchange around a critical hit arriving on demand. We rank the extra uncertainty below more immediately observable handling and reload improvements for this particular profile.

The cost to notice
A chance bonus is not a dependable promise about the next shot, and it does not fix access or upkeep.

Choose it when

  • Read the current critical-chance effect.
  • Judge repeated ordinary encounters rather than one unusually strong hit.

Skip it when
Avoid relying on it when survival requires one specific hit to exceed its normal result.

Plan around
A gun whose normal hits already support the route · A comparison that includes outcomes without critical hits

Inspect Critical Oil in the workbench
Sources for this pick
BAttack Speed OilFirst-run oil value

Attack Speed Oil
First-run value · B tier

Why this placement
Faster firing can make a short opening more useful, but it also asks more of aim and supplies. For a first outing, a controllable rhythm is often easier to learn than the fastest possible sequence. We would promote this choice only after the gun’s existing recoil and ammunition use feel manageable.

The cost to notice
A faster resource burn or harder follow-up control can cancel the intended practical benefit.

Choose it when

  • Check whether the opportunity actually lasts long enough to benefit.
  • Watch reserve ammunition as well as the magazine.

Skip it when
Postpone it when uncontrolled sustained fire or ammunition shortages already end your runs.

Plan around
A recoil pattern you already manage · A resupply plan matched to the new firing rhythm

Inspect Attack Speed Oil in the workbench
Sources for this pick
BBrute OilFirst-run oil value

Brute Oil
First-run value · B tier

Why this placement
Brute makes its bargain explicit: flat damage comes with more spread. That can fit an encounter where a tight grouping is not essential, but it changes what a familiar aiming habit achieves. Our placement asks the player to establish the useful distance before treating the larger number as progress.

The cost to notice
Wider spread can make precision or distant targets less dependable.

Choose it when

  • Use a distance where the changed pattern still reaches the intended target.
  • Keep the damage gain and spread cost in the same comparison.

Skip it when
Avoid it for a role that depends on tight distant placement unless you have verified the actual result.

Plan around
A consciously chosen closer fighting lane · Handling checks on the same target size

Inspect Brute Oil in the workbench
Sources for this pick
BDense OilFirst-run oil value

Dense Oil
First-run value · B tier

Why this placement
Dense is a maintenance option with a movement decision attached. The reference trades jump power for maximum durability and lists an extra-wear exception. We would consider it only after checking whether the route still feels usable with the affected weapon equipped, rather than assume durability is the only resource that matters.

The cost to notice
Reduced jump capability can interfere with navigation or a planned retreat.

Choose it when

  • Read the current jump penalty and wear exception.
  • Check the route with the intended firearm held.

Skip it when
Avoid treating it as a free durability upgrade on unfamiliar vertical routes.

Plan around
An understood route without a fragile jump requirement · A gun whose durability is the actual limiting factor

Inspect Dense Oil in the workbench
Sources for this pick
BHefty OilFirst-run oil value

Hefty Oil
First-run value · B tier

Why this placement
Hefty exchanges movement speed for a larger durability pool and has a documented wear exception. That may suit a deliberate maintenance plan, but a first-run player also needs enough mobility to keep encounters readable. We would decide whether the slower movement is acceptable before valuing the longer weapon budget.

The cost to notice
Slower movement can undermine spacing and the ability to disengage.

Choose it when

  • Inspect movement while holding the affected gun.
  • Retain a route that does not depend on outrunning every threat.

Skip it when
Avoid it when mobility mistakes already force you to spend excessive healing or stay in danger.

Plan around
A known, manageable route · A separate plan for positioning and recovery

Inspect Hefty Oil in the workbench
Sources for this pick
BWobble OilFirst-run oil value

Wobble Oil
First-run value · B tier

Why this placement
Wobble adds another path for a projectile after impact. A player who knows the surfaces and intended outcome can explore that behavior, but extra bounces are less immediately readable than better follow-up aim. We treat it as a small controlled experiment rather than the default improvement to a first dependable gun.

The cost to notice
The added path demands more observation; a bounce count alone does not establish useful hits or safe spacing.

Choose it when

  • Check the actual trajectory in a clear space.
  • Distinguish useful rebounds from shots leaving the intended target.

Skip it when
Avoid adding it alongside several other trajectory changes when you cannot tell which effect caused the result.

Plan around
A single understood projectile experiment · An unchanged scroll and ammunition choice during the test

Inspect Wobble Oil in the workbench
Sources for this pick
BBig OilFirst-run oil value

Big Oil
First-run value · B tier

Why this placement
Big Oil combines damage with projectile-handling changes, and the release adds a size effect. That makes the whole card more important than the name. We would evaluate the intended range and behavior together before assigning it to a beginner’s main gun; a larger-looking attack is not automatically easier to use.

The cost to notice
Projectile weight or speed interactions can change the useful firing lane.

Choose it when

  • Read the current damage, size and projectile-handling lines together.
  • Compare the effect on the actual firearm and scroll.

Skip it when
Avoid using it as a universal damage recommendation for beams, charged weapons or transformed shots.

Plan around
A stated projectile-coverage problem · A familiar gun retained as a control comparison

Inspect Big Oil in the workbench
Sources for this pick
CTrusty Old OilFirst-run oil value

Trusty Old Oil
First-run value · C tier

Why this placement
Trusty Old is not a neutral banking upgrade: its item reference pairs durability and a wear exception with disabled money drops. The maintenance role can be useful elsewhere, but that cost conflicts with a first-run plan that includes collecting currency. Our low placement is about that objective, not its maximum-durability value.

The cost to notice
The documented money restriction can undermine the repairs or purchases the outing was meant to fund.

Choose it when

  • Confirm the current no-money-drop line.
  • Choose it only after explicitly giving up the affected currency income.

Skip it when
Avoid it on a money-farming weapon or when the next repair depends on collecting Sulf during this outing.

Plan around
A maintenance-focused objective that does not rely on affected money drops · A separate source of the supplies the next run needs

Inspect Trusty Old Oil in the workbench
Sources for this pick
CSynchronicity OilFirst-run oil value

Synchronicity Oil
First-run value · C tier

Why this placement
Synchronicity links extra bounces to a chance of spending additional ammunition. A deliberate projectile build may accept that price, but an inexperienced player can lose the reserve before understanding which rebounds helped. We rank it below the simpler experiments when the goal is a sustainable return with collected supplies.

The cost to notice
Additional ammunition demand competes directly with the room left to finish or leave an outing.

Choose it when

  • Read the current extra-ammunition rule.
  • Set a reserve threshold before testing the bounce plan.

Skip it when
Avoid it when ammunition already limits the route or the extra projectile behavior is not producing a recognizable benefit.

Plan around
A known bounce purpose · An ammunition supply chosen for the actual firearm

Inspect Synchronicity Oil in the workbench
Sources for this pick
CAimless OilFirst-run oil value

Aimless Oil
First-run value · C tier

Why this placement
Aimless asks the player to abandon aimed fire in exchange for critical chance. That is a substantial change to a familiar gun’s job. A planned hip-fire setup can judge it differently, but we would not make a beginner give up a working sightline merely to chase a chance-based bonus.

The cost to notice
Losing aim-down-sights access can remove the precision or viewing method the route relies on.

Choose it when

  • Confirm that the current effect disables aiming.
  • Make sure the intended role works from the hip.

Skip it when
Avoid it for a precision or sight-dependent weapon until the replacement fighting style is established.

Plan around
An explicitly chosen hip-fire plan · A target distance that remains manageable without sights

Inspect Aimless Oil in the workbench
Sources for this pick
CSaviour OilFirst-run oil value

Saviour Oil
First-run value · C tier

Why this placement
Saviour can make ammunition last at the expense of enemy loot. That is a meaningful specialist bargain, not a beginner resource upgrade with no consequence. A support weapon that is not used for direct kills may have a different purpose; a first-run loot weapon should make the lost progress explicit.

The cost to notice
Suppressing the relevant enemy loot conflicts with extracting useful new supplies.

Choose it when

  • Read the current loot restriction.
  • Separate a support role from the gun used to collect drops through kills.

Skip it when
Avoid it as a default farming or collection recommendation simply because ammunition consumption looks attractive.

Plan around
A deliberately assigned non-looting role · A separate plan for how the run earns its progress

Inspect Saviour Oil in the workbench
Sources for this pick
CBig Tax OilFirst-run oil value

Big Tax Oil
First-run value · C tier

Why this placement
Big Tax offers projectile size with a money-drop restriction and a listed wear exception. The size role can matter to an established effect plan, but it does not compensate every new player for the currency they intended to bank. Decide which part of the outing is allowed to stop earning money first.

The cost to notice
The currency restriction can work against the resupply goal, even if maintenance itself looks manageable.

Choose it when

  • Confirm the current no-money-drop and wear-exception lines.
  • Identify a concrete reason the larger projectile matters.

Skip it when
Avoid it when earning money is the reason for the outing or when size has no observed benefit on the setup.

Plan around
A coverage-oriented experiment that accepts the income cost · A familiar fallback gun and a separate budget

Inspect Big Tax Oil in the workbench
Sources for this pick
CDivision OilFirst-run oil value

Division Oil
First-run value · C tier

Why this placement
Division changes several things together: more projectiles arrive with lower damage, smaller size and wider spread. A build centered on suitable hit effects may have a reason to accept that package. For a new player learning one gun, it makes the result harder to explain than a single-purpose improvement.

The cost to notice
Extra projectiles are not full-strength copies; the altered pattern can reduce reliability for the current job.

Choose it when

  • Read every changed trait rather than only projectile count.
  • Check the actual weapon and selected scroll before the experiment.

Skip it when
Avoid it as an automatic damage multiplier or while simultaneously changing caliber, scroll and several other oils.

Plan around
A clearly defined multiple-hit experiment · An unchanged comparison gun and an explicit ammunition plan

Inspect Division Oil in the workbench
Sources for this pick
↗Muzzle OilVelocity specialist

Muzzle Oil
Velocity specialist · outside the letter ranking

Why this placement
Muzzle-velocity tuning starts with a known flight, weight or range problem on a particular gun and scroll. That is a different evaluation from our introductory handling-and-banking priorities. We leave this tool outside the letters instead of equating a specialist function with a weak or universally stronger choice.

The cost to notice
A muzzle-velocity label alone does not establish the best result for ordinary bullets, beams and charged or transformed attacks.

Choose it when

  • Identify the projectile behavior you want to change.
  • Read the current complete item and weapon cards before applying it.

Skip it when
Do not select it merely to improve a tier letter or assume its name certifies every projectile interaction.

Plan around
A specific flight or effective-range question · A controlled before-and-after check on one actual setup

Inspect Muzzle Oil in the workbench
Sources for this pick
↗Optimum OilVelocity specialist

Optimum Oil
Velocity specialist · outside the letter ranking

Why this placement
Muzzle-velocity tuning starts with a known flight, weight or range problem on a particular gun and scroll. That is a different evaluation from our introductory handling-and-banking priorities. We leave this tool outside the letters instead of equating a specialist function with a weak or universally stronger choice.

The cost to notice
A muzzle-velocity label alone does not establish the best result for ordinary bullets, beams and charged or transformed attacks.

Choose it when

  • Identify the projectile behavior you want to change.
  • Read the current complete item and weapon cards before applying it.

Skip it when
Do not select it merely to improve a tier letter or assume its name certifies every projectile interaction.

Plan around
A specific flight or effective-range question · A controlled before-and-after check on one actual setup

Inspect Optimum Oil in the workbench
Sources for this pick

TURN A PICK INTO A PLAN

What is this run for?

Three ways to make the next decision useful. Each plan has a point where you stop and reassess.

01

Make the second shot easier to explain

Choose between a control problem and a reload problem before adding another offensive effect.

Open this run plan

Keep a familiar gun, ammunition and scroll unchanged for the first comparison. If the sights climb away from the intended target, examine Less Recoil Oil. If the gun stays controllable but repeatedly leaves you waiting for a new load, examine Reload Oil instead. Those are different failures. Pick the change that answers the failure you can describe, then compare the same kind of encounter before deciding whether another modification is necessary.

Before you leave

  • Can you land ordinary follow-up shots at the intended distance?
  • Is the interruption caused by recoil, spread, loading or a lost firing lane?
  • Does the current gun’s reload or charge process actually benefit from the chosen effect?

Reassess when
Stop adding modifications when the gun already performs the intended job. If ammunition or healing is running low, reassess the outing rather than keep experimenting to justify the first change.

Plan sources
02

Give durability a route and a budget

A gun lasting longer is useful only if its other costs still permit the outing you planned.

Open this run plan

Identify whether the problem is maximum durability, the gun’s current repair state, or unusually costly shots. High Grade is an early comparison for the first problem; still inspect the current wear and service needs instead of assuming the entire maintenance problem is solved. Dense and Hefty introduce jumping or movement decisions, so inspect them while holding the affected gun on a route you understand. Trusty Old has a separate currency cost through its money-drop restriction. Treat that as a different objective rather than a free substitute for a simple maintenance choice.

Before you leave

  • Does the current item explicitly avoid the normal extra-wear increment?
  • Can the planned route tolerate the selected movement or jumping penalty?
  • Would a money-drop restriction prevent the run from funding its next repair or resupply?

Reassess when
Stop treating the upgrade as a solution if the route, currency objective or repair state no longer supports it. Bank the useful progress and fix the next preparation problem at the Church.

Plan sources
03

Explore one projectile idea at a time

A lower beginner tier can still have a job once you know which behavior you want to investigate.

Open this run plan

Write one hypothesis before consuming the oil: a rebound should reach a particular lane, or extra projectiles should serve a specific hit-effect plan. Keep caliber and the chosen scroll fixed while testing that idea. Wobble investigates bounces; Division changes several shot traits at once; Synchronicity attaches an additional ammunition question. Do not interpret those as three bonuses to stack immediately. If a different scroll is the real goal, use the recipe finder first and reserve its single scroll position before planning accompanying oils.

Before you leave

  • What useful hit or coverage should the new behavior create?
  • Which damage, size, spread, resource or trajectory cost does the current card list?
  • Can you still explain the result without changing several other parts of the gun?

Reassess when
Stop the experiment when its behavior is unclear, the reserve no longer supports the outing, or it interferes with the return plan. A dramatic effect is not evidence that it served the chosen job.

Plan sources

THE METHOD / VERSION 1.0.2

What earns a higher recommendation?

  • How clearly the oil solves a beginner’s observed problem
  • How little it changes a familiar gun’s basic behavior
  • Its documented ammunition, movement, aiming and loot costs
  • Whether the downside conflicts with banking useful progress
  • How much extra projectile or build knowledge the choice demands

These priorities assume a new solo player learning a familiar conventional firearm and intending to extract useful supplies or money. First-run means decision complexity, not a promise that an oil is available immediately. A purpose-built effect weapon, Energy gun, challenge run or mature farming setup can produce a different order.

Keep these conditions in view

  • Letters express our recommendations for this one learning goal. They are not measured DPS, a compatibility guarantee, a rarity ranking or a claim that we tested these builds. Item effects use qualified wiki references; exact current values must come from your client. Pairing ideas describe complementary jobs, not certified combinations. Change one part at a time and respect actual slots.

These twenty oils are the curated Cobalt workbench set, not every oil in SULFUR. Velocity specialists remain separate because their value depends on the projectile and the specific weapon.

THE ITEM GALLERY

SULFUR / GAME ARTWORK

Game artwork © Perfect Random, sourced from the official SULFUR Wiki.