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Quest log

Guides

Grouped by where the problem comes up: the descent through the areas, the workbench, the kitchen, the Church and your achievement records.

Showing 22 guides

Descent

  1. Beginner guide: the first runs, the Amulet and what to bank

    How a SULFUR run works in 1.0: clear an area in one go, use the mid-area shrine to charge the Amulet, bank SULF and ammo in the Priest's Chest, cook healing, and spend your first Stamps on the Baptismal Font.

  2. Area order: every area, its boss and how to unlock the next

    Caves, Town, Sewers, Hedge Maze, Dungeon, Castle, Forest, Fortress, Desert, Beyond the Veil. Clear every stage of an area in one run to open the next one and a Church shortcut.

  3. Boss guide: how to beat every boss in 1.0

    Where each SULFUR boss can be hurt and what kills you: Cousin's mud armor, the Cardinals' beams, the Novanian Guard's helmet, Lucia's eye, Terrorbaum's returned bullets, the Emperor's tail and Desert Claus.

  4. How to beat the Witch in SULFUR, and what happens after

    Prepare in the Desert because the Amulet cannot leave Beyond the Veil. Shoot the black eggs before they hatch, use extra jumps for the laser phases, then drive the car. The story loops to the Caves and Endless opens.

  5. What you lose when you die in SULFUR: difficulty, Insurance and pity

    On the default Hard difficulty you lose everything you carry. Very Easy keeps it all, Easy loses money, Medium loses unequipped loot. Insurance returns one weapon; the Collection Box pays back 10%.

  6. Endless mode: entry, leaving with the Escape card, and stage 20

    Endless opens after the Witch: enter through the hatch before the Church pulpit for 1 Stamp. The Amulet does not work; the Escape card is the only way home alive. Enemies drop no ammo.

  7. Desert crypts: Crypt Keys and the Trial of the Spirit

    A Crypt Key opens the Trial of the Spirit on most Desert levels. Ask the statue which trial you face, survive or finish it within two minutes, and claim a random passive item. Failing kills you.

Workbench

  1. Best SULFUR gun builds in 1.0: five complete oil and scroll setups

    Five legal rank-5 builds for SULFUR 1.0.6 with every oil, scroll, attachment and chisel: a Holy Fire Fisk, an explosive 12Ga Corpsemaker, an infinite-ammo D4RT, a .50 BMG Pierre-Fusil and an early Mossman.

  2. Oils explained: slots, stacking and durability cost

    A gun gets one oil slot per rank, up to five. Each oil adds 1 durability per shot unless its card says otherwise, flat damage applies before percentages, and duplicates are not allowed.

  3. Scrolls: how to combine them and what each element does

    Combine two Stage 1 scrolls in Kevin's Mixing Magics grid to make a Stage 2 scroll. A gun holds one scroll, every scroll costs 1 extra durability per shot, and some multiply that cost.

  4. Weapon ranks: XP, fast levelling and Telia's Replicator

    Rank 5 takes 3,224 XP and opens five enchantment slots. In 1.0, XP is split equally between guns used in a kill and melee kills feed your selected gun. Lock of the Magus multiplies one kill by 100.

  5. Attachments and Chamber Chisels: slots, removal and calibers

    A gun takes one muzzle, sight, laser and chamber attachment. Ralphie's Workbench removes them for a fee. A Chamber Chisel changes the ammo type and with it base damage, pellets, spread and recoil.

  6. Armor and equipment after the 1.0 rebalance

    Each point of Armor cuts damage by 1%. Heavy chest pieces slow you, helmets with damage bonuses trade defence. Compare the top armour per slot, jump gear, passive items and repair tools.

  7. Shotguns and flat damage oils: the 12Ga ÷ 8 rule tested

    On a 12Ga gun a +15 flat damage oil adds 1.875 per pellet, the same +15 per shell as on a pistol, but only 4.7% of a 320-damage shell. A +20% oil adds 64. Every shotgun compared.

  8. Flat or percentage oils in SULFUR: the base-damage breakpoint

    Add Damage Oil (+15) beats Damage Oil (+20%) on guns below 75 base damage: the 9mm and Energy Cell guns. With Great Oil and Heavy Oil applied, the breakpoint moves to 165.

  9. Stacking damage oils in SULFUR: what the fifth +% oil adds

    If SULFUR adds percentage oils together, a second +60% oil adds 37.5% more damage, not 60%, and the fifth only 12.5%. Why the computed best builds fill slots with projectile oils instead.

  10. Oil durability cost: shots before a fully oiled gun breaks

    Each counting oil or scroll adds 1 durability per shot, up to 6, so a five-oil gun fires a sixth as many shots. Shots before repair for every SULFUR gun and the oils that offset it.

Kitchen

  1. Cooking guide: discovering recipes, Health Potion and the best healing

    Mix ingredients in a cooking station's grid; a dish that works stays in your recipe list. Health Potion is 9 Rödsopp or 3 Rödsopp and 1 Herb. Organs drop only from gunshots.

Church

  1. Stamps: how to get them and which Church upgrades to buy

    Stamps come from NPC turn-in quests and are never lost on death. Spend them at Arthur: Baptismal Font (10) and storage first, Delivery Demon (35) and Holoreality Projector (50) for shop access.

  2. NPCs and vendors: who sells what and where to find them

    The Church residents (Arthur, Ralphie, the Scholar, Stiffleg, Gravedigger, Telia) and the vendors you meet in stages, with what each sells, the services they run and the meeting achievements.

Records

  1. Achievement guide: the hard, hidden and buggy ones

    How to finish SULFUR's trickiest achievements in 1.0: Actually not that bad, Goblin Whisperer, Amulet-Free, the pity tiers, Law Abiding Citizen, difficulty clears, Telia sacrifices, crypts and Endless.

  2. 1.0 changes for Early Access players, through patch 1.0.6

    What changed when SULFUR left Early Access on 28 October 2026: shotgun damage split, Muzzle Velocity oils, five new scrolls, rebalanced wearables, boss damage gates, Quest Log and the 1.0.1–1.0.6 fixes.

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