Campfire in 99 Nights in the Forest

In 99 Nights in the Forest, the campfire is not a light source with a side effect. It is the whole progression curve. Every level you add opens a ring of the map, unlocks a chest tier, and moves the thing that hunts you further away — and the only thing that raises those levels is fuel you have to chop, hunt or craft first. A run that never raises the fire never sees the last two caves at all.

This page is the other half of the material pages. How to Get Wood Fast covers how to get the logs; How to Get Biofuel covers the fuel that survives weather. This page covers the fire itself: what it does while it burns, what each level costs, and the four badges hanging off the ladder.

Last verified: 2026-10-04.

Quick Answer

The campfire has six levels. Level 1 is what a run starts with, and level 6 reveals the whole map. Between them, each upgrade costs progressively absurd amounts of Logs, Coal, Fuel Canisters, Oil Barrels and Biofuel — the last step alone wants roughly 275 to 350 Logs on top of 170 Coal.

What it does while lit: holds a safe radius that large entities will not enter, heals you over time (faster the closer you stand), powers your map and recharges flashlights, cooks food, and repels The Deer.

What it does while out: the safe zone collapses, the map stops working, and — from day 1 onwards — The Deer becomes hungry and spawns at your camp.

The four Firemaking badges come at levels 3, 4, 5 and 6, and together they are worth 6 stars and somewhere between 10 and 12 Diamonds depending on which source you read.

The single most useful fact on this page, and the one that costs the most runs: a Log is worth less than 1% of the fire's burn time. After level 4 you should be feeding the fire Coal, Biofuel or Oil Barrels and keeping your logs for the grinder.

• What the fire feeds. Chef and Cook — the campfire turns raw meat into food, and the two food classes build on top of it rather than beside it.

What the Campfire Actually Does

Five separate systems hang off this one object, and only one of them is obvious.

It is a safe zone. While the fire burns, large entities stay outside its radius. They stop at the edge and will not walk in — our base design page leans on this as the reason to spend on fuel before fences. The radius grows with level, which is why the campfire, not your wall, is the actual perimeter.

It is the wall The Deer cannot cross. The Deer patrols outside the lit area and drops your pursuit the moment you cross into it. If the fire goes out, the safe-zone rule disappears, and the Deer becomes hungry and spawns near your camp. One exception runs on our Cultist Stronghold page: if your campfire is out, The Deer can legally spawn inside the fortress.

It is the map's power supply. The campfire powers your map and recharges flashlights. When the fire dies, the map stops working — you are not blind because of a bad roll, you are blind because there is nothing generating light.

It heals you. Standing in the fire's light regenerates health over time, and standing closer regenerates faster. One wiki notes the fastest trick in the game is simply standing on top of the fire when you are low.

It cooks. Food that comes off a kill is not always safe; the campfire cooks it. A few weapons auto-cook their own drops instead, which is why the Flamethrower page treats that as a quiet second benefit.

There is a sixth, less-used effect worth knowing if you tame animals: a lit campfire breaks a Hellephant's pursuit and sends it back to wandering. Our Hellephant page calls it a reset button.

Fuels, and Why Logs Are a Trap After Level 4

Five fuel types feed the fire, and they are not equivalent.

Two of these deserve a paragraph of their own.

Logs. Every guide agrees on the shape of the problem, even where the numbers differ: a log contributes under 1% of the burn. That number is small enough that a player standing next to a full sack of logs keeps feeling productive while the fire slowly drops a level. After level 4 the consensus recommendation is to stop feeding logs entirely, put them through the grinder instead, and run the fire on Biofuel, Coal and Oil Barrels. One wiki puts it bluntly: once you reach level 4, stop burning the logs.

Wet logs. During rain, and near rivers, you pick up blue wood that cannot be used as fuel. One guide gives a workaround — drop the wet logs near a level 2 or higher fire for around 30 seconds, and once the texture changes they burn, going from roughly 15 seconds to roughly 45 seconds. That is a single source and nothing we found corroborates the exact window, so treat the drying trick as worth testing rather than established.

Biofuel is covered in full on its own page; the practical point here is that it is the only fuel that ignores weather, which is what makes a run past night 50 survivable.

The Upgrade Ladder, Level by Level

This is the table the rest of the page exists to explain. Costs are per upgrade, not cumulative, and every one of them is a "plus" figure — the sources give a floor, not an exact bill.

Read the last row twice. The jump from level 5 to level 6 is not a bigger version of the previous row — it is roughly four times the logs of the whole 3-to-4 and 4-to-5 stretch combined, plus 170 Coal, which one guide budgets at 20 to 30 bear kills on its own.

Cumulative, from a running start at level 1 to a finished level 6, the sources total it at roughly 412 to 562+ Logs, 241+ Coal, 67+ Fuel Canisters, 12+ Oil Barrels and 141+ Biofuel.

One small inconsistency in the same source worth noting: the first step is listed both as 6 Logs plus 1 Coal and as costing 1 to 2 Wood. Wood and logs are used interchangeably across the guide set, so read that row as "a handful of wood and one coal".

What Each Level Unlocks Around the Map

The campfire is a map key, and the levels gate specific places rather than a vague "more terrain". These are drawn from our own location pages, which is why they are more specific than most guides.

Level 2. The Frog Cave. Our Frog Cave page treats its campfire level 2 prerequisite as a pre-run investment — if your fire is still level 1, the cave is not on the table this run no matter how many Frog Keys you are carrying. Scorpions also tie their spawns to a level 2+ fire, and the Fairy trader stays at camp once you reach level 2.

Level 3. The Jungle biome appears, and the Cultist Stronghold shows up on your map for the first time. Firemaking I lands here too. If you are playing for Diamonds, that is the level that changes your run.

Level 4. The volcano interior opens, which is our Volcanic Biome page's stated entry condition. Firemaking II lands here.

Level 5. Firemaking III. One single source lists a Mammoth spawn at campfire level 4 or higher; no other source states a level for the Mammoth, so treat that number as plausible rather than settled.

Level 6. The entire map is revealed. This is also the level that unlocks the Skeleton or Bone Lakes, which is why the Trident is a late-run weapon, and the level that gates the Koala Kid rescue — see Missing Kids. Firemaking IV lands here.

The Chest Tiers page is the other half of this table: Common and Good chests appear at fire levels 2 to 3, Iron at 3 to 4, Legendary at 5, and the deeper families beyond that. Campfire level decides which rows exist on your map.

What Happens When the Fire Goes Out

This is where runs actually end, and it is worth being precise about the order of events.

1. The safe zone disappears. Large entities stop being held outside your radius.
2. The map goes dark. The campfire powers it. This is not a temporary debuff — the map is unusable until you relight.
3. The Deer comes. Unless you are on day 1, The Deer automatically becomes hungry and spawns near the campfire. One wiki suggests the damage-control play here: AFK inside a cabin on a shelf until morning.
4. Nothing replaces it. Walls do not buy you time when the fire is out. A perfect perimeter around a dead fire protects an empty safe zone.

There is one interaction that catches people: cultists who are still alive when morning comes make your campfire deplete faster, in proportion to how many survived. Finishing the raid before dawn is therefore not a cosmetic rule — see The Cultist.

Weather

Weather is the reason fuel management becomes a logistics problem rather than a chore. Four states are described, each with a penalty the fire level partially cancels.

The burn-time economy here is the whole point: coal burns about four times as long as wood, so the standard advice is to spend logs during clear days and save coal for nights and rain. Two of the four Firemaking badges are literally weather-resistance badges — level 3 gives better rain resistance, level 5 gives high blizzard resistance, and level 6 gives maximum weather resistance.

A related item shows up in one guide's table: a Rain Storage craft at 5 Scrap that keeps wood dry. Single source, flagged.

Four of those badges pay out on the same ramp a speedrun in 99 Nights in the Forest has to climb anyway.

The Four Firemaking Badges

The ladder pays out four badges, and they are the cheapest Diamond source in the early game precisely because they are the same grind you were going to do anyway.

Firemaking III is the one contested row. Three sources list it at 2 Diamonds, which puts the total at 10; two others list it at 4, which puts the total at 12. Both readings are laid out in the disagreement section below. Either way you collect the same four badges, so the argument only matters if you are budgeting a Diamond plan — see How to Get Diamonds Fast.

Also worth noting: level 4 carries a second, quieter reward of healing faster, and the level 6 upgrade is the single most resource-intensive thing in the game. One guide's recommendation on that last point is to aim for level 6 somewhere between day 70 and day 80.

Farming the Five Materials

Each material has a different grind, and a different point at which it stops being worth your time.

Logs — the topic of How to Get Wood Fast. The sapling replanting loop is what makes this renewable; without it, the level 5 to 6 step is arithmetic you cannot close. The Lumberjack class is the standard shortcut, and on this site it is rated as the class that attacks the wood bottleneck at its source.

Coal — bears are the best-known source, with Alpha Wolves dropping some too. One guide budgets 20 to 30 bear kills for the final upgrade alone. Caves and points of interest also have it.

Fuel Canisters — Iron and Common Chests. A guide's own rule of thumb is that you should own 2+ by day 5, because everything after that is fuel-canister heavy.

Oil Barrels — the Volcanic Biome, and only once the fire is high enough for the biome's deeper section to be usable. One source puts the appearance at fire level 5 to 6; our volcanic page puts entry at level 4. Those are consistent if you read one as "oil barrels exist" and the other as "the volcano opens" — if you are planning around them, plan on the later number.

Biofuel — the Biofuel page has the full loop. The short version: Farm Plots grow food, the Biofuel Processor turns surplus into fuel, and the fire stays at max intensity.

The Auto-Fuel Loop

By the late game the honest answer to "how do I stop feeding the fire" is machinery, not discipline.

Two machines do it. The Biofuel Processor sits next to the fire and converts logs or meat into biofuel — it is a Crafting Bench tier 3 recipe at 12 Wood and 12 Scrap, and our base design page recommends pointing it at the fire and feeding it from nearby farm plots so the loop runs itself.

The Oil Drill is the stronger option and the one that makes the level 6 push possible without a nightly wood run. It is a tier 4 recipe at 25 Wood, 35 Scrap (or Bolts) and 1 Cultist Gem — see Cultist Gems for where those come from, because they are the one material in the game you cannot farm your way out of. Positioning is the whole trick: the drill produces oil barrels on its own timer, and if it faces the campfire they load themselves. Place it too far away and you are hand-carting barrels.

The disagreement here is about timing. One wiki says the Oil Drill is essential for fueling the campfire up to level 6; another says it only becomes compulsory after you reach level 6. Both agree on the machine, and both agree on placement. That is the row we would most like a dev note on.

The shortcut that timeline leaves out is the day multiplier — see speedrun in 99 Nights in the Forest for what the counter actually does.

A Timeline for a 99-Day Run

One guide publishes a target curve, and it is a reasonable plan to argue with rather than copy.

Two notes on reading that. First, our own base design page is more aggressive — level 3 to 4 on day one and level 6 by around night 10 — which is a team plan, not a solo one. Second, every source agrees the level 5 to 6 step is a session-length commitment; nobody pretends it is a day-one goal.

Where Sources Disagree

1. The upgrade costs themselves. This is the big one, and the gap is not rounding. Three ladders are published:

• The detailed version (three sources): 6 Logs / 1 Coal for 1 to 2; 11 Logs / 2 Coal / 2 Fuel Cans for 2 to 3; 50–75 Logs / 23 Coal / 9–12 Fuel Cans / 30 Biofuel for 3 to 4; 70–120 Logs / 45 Coal / 19–25 Fuel Cans / 4+ Oil Barrels for 4 to 5; 275–350 Logs / 170 Coal / 35 Fuel Cans / 8 Oil Barrels / 80 Biofuel for 5 to 6.
• A wood-only version: level 2 at 50 Wood, level 3 at 100 Wood, level 4 at 150 Wood, level 5 at 200 Wood. No coal, no fuel canisters anywhere in the ladder.
• A third version: level 2 at 15 Wood, level 3 at 30 Wood plus 5 Scrap, and max at 60 Wood plus 15 Scrap — a fire that finishes for less than the second tier of the first version.

We have used the first because it is the only one with three independent agreeing sources and because it explains mechanics the other two ignore. The wholesale disagreement is recorded rather than resolved: it is not clear whether the second and third are describing older builds, different units, or simply guessing.

2. Firemaking III. 2 Diamonds in three sources (total 10) against 4 Diamonds in two sources (total 12).

3. Which level reveals the whole map. The detailed sources put full map reveal at level 6, which is theFiremaking IV badge. One wiki's Main Camp table instead has level 5 "fully clears map" and level 6 as merely "longest-lasting, least affected by weather". Level 6 is consistent with our own location pages, where level 6 is what unlocks the Bone Lakes and the Koala Kid.

4. Biofuel efficiency. One source calls biofuel 2x a wood; another says 5x; our own biofuel page describes it as holding max intensity for about 5 minutes per unit. The 5-minute figure is stated with more confidence than the multiplier, and the multiplier is what we would treat as the soft number.

5. Wet log drying. The 30-second dry-over that takes burn time from roughly 15 to roughly 45 seconds is one source. Nothing contradicts it, but nothing confirms the window either.

6. Oil Drill timing. Essential to reach level 6, or essential only after level 6. See above.

7. Campfire Flames. Cosmetic flames from Supply Crates (which drop from daily quests), a maximum of 3 active, in four types: Blue Hot (reduces weather effects near camp), Alien (alien invasion spawns on day 3), Frog (frog invasion on day 3) and Meteor (meteor shower on night 3). Single source, and the effects read more like documented rumours than confirmed mechanics — try one before you plan a run around it.

FAQ

How many levels does the campfire have? Six. Level 1 is your starting fire, level 6 is the max and reveals the whole map. There is some disagreement about whether a run can start with an unlit, level 0 fire rather than a lit level 1 one.

Why does my fire keep dropping levels when I am adding wood? A log is worth under 1% of the burn. Past level 3 or 4 you need Coal, Fuel Canisters, Oil Barrels or Biofuel. The wood is for the grinder now.

What is the fastest way to farm the level 6 upgrade? Logs from the sapling loop with the Lumberjack class, Coal from bears, Fuel Canisters from Iron and Common chests, Biofuel from a Bench-tier-3 Processor, and Oil Barrels from the Volcanic Biome. Build the Oil Drill and place it facing the fire.

Does the campfire level affect chests? Yes. Campfire level decides which chests exist on your map. The full ladder is on Chest Tiers.

Is campfire level 6 required? For the whole map, the Bone Lakes and the Trident, and for the Koala Kid rescue — yes. For survival alone, level 3 to 4 buys you most of the safety.

What happens if the fire goes out during the day? The safe zone collapses and the map stops working. The Deer only spawns hungry from the first night onward, so a day-time burnout is recoverable if you are close to camp; a night-time one is not.

Do I need the fire to cook? Yes, unless a weapon auto-cooks its own drops. It also powers the map and recharges flashlights.

Sources

Checks carried out on 4 October 2026, against the Miraheze mirror wiki's Campfire page, 99nightsinforest.com's campfire guide, dinokid.wiki's campfire guide, rblxguide's campfire upgrade path and badge list, 99nightsintheforest.wiki's Main Camp and Tips pages and badge list, Finding Dulcinea's badge list, Gamezebo's Oil Drill walkthrough, GameRMovil's and Of Zen and Computing's crafting recipes guides, BloxCodex's campfire refuel guide and the fandom wiki. Where a claim rests on one source — the wet-log drying window, the Rain Storage item, the Campfire Flames, the Mammoth level requirement, the Oil Drill timing split — it is attributed in the text rather than restated here. The badge diamond totals in particular come from two mutually incompatible sets of sources and are flagged rather than averaged.

Related Pages

• How to Get Wood Fast — the sapling loop that funds every level on this page
• Chest Tiers — what each fire level does to the chests on your map
• Missing Kids — the rescues gated behind campfire level 6
• Cultist Stronghold — the Diamonds that pay for the Lumberjack class
• How to Get Biofuel — the weather-proof fuel that holds max intensity
• How to Get Diamonds Fast — whether the Firemaking badges are worth a dedicated run
• Beginner Guide — first-day fire priorities
• Best Base Design — why the fire beats the fence
• Crafting Bench — where the Biofuel Processor and Oil Drill are built
• Tool Workshop — the axes that decide how fast you gather the logs
• Volcanic Biome — where Oil Barrels come from
• Frog Cave — the level 2 gate that catches people
• The Deer — what walks in the moment the fire dies
• The Cultist — why leaving cultists alive makes the fire burn faster
• Lumberjack Class — the class that attacks the wood bottleneck directly
• How to Get Trident — the level 6-only weapon the map unlock buys you