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Game guide
100 Days on Chunk — First steps when you spawn
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About
Overview100 Days on Chunk drops you on a single floating island above a bottomless void and gives you one goal: stay alive until day 100. You gather resources, craft tools and new chunks, build a base, and fight off nightly raids and bosses.
What is on this page
Contents
01
First steps when you spawn
Step
In short
Your first minutes should go toward picking up loose resources and crafting the basic tools you need to gather more.
Everything begins with what is already lying around you. Grab wood, stone, and any other materials you can find before doing anything else. Once you have a small stockpile, open the craft menu and make the tools that speed up gathering. A basic shelter comes next — even a simple structure gives you somewhere safe to be when the sun goes down.
- Pick up resources collect loose wood and stone from the ground around your starting chunk.
- Open the craft menu turn those raw materials into gathering tools.
- Build a shelter put up walls before the first night arrives so you have a safe place to ride it out.
02
Efficient resource gathering
TipsIn short
Better tools make your gathering far faster.
Bare hands are slow. The sooner you upgrade your tools, the more you can collect before nightfall. Different resources sometimes need different tools, so check what you are missing and craft accordingly. Crafting a new chunk through the craft menu opens up a fresh area to mine once your starting chunk starts running low.
Tips worth knowing
- Upgrade your tools regularly so gathering takes less time per run.
- Craft new chunks when you need more resources — each one adds a new area to work with.
03 Live and upcoming events
Events
いま開催中・開催予定のイベントです。期間が決まっているので先に確認しておきましょう。
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04
Night raids and boss fights
Warn
In short
Enemies grow stronger as the days climb, so your defenses need to grow with them or you will not last.
Once night hits, zombies come for your base in waves. Bosses appear on top of that at certain points and hit much harder than regular enemies. You need walls, defensive structures, and weapons ready before the first raid, not after. Health recovery items are worth stockpiling well ahead of any boss encounter. The longer you survive, the tougher each wave becomes, so treat defense as an ongoing project rather than a one-time build.
Worth watching out for
Keep more than one weapon type on hand.
Reinforce walls and towers in stages.
Stock health recovery items before a boss shows up, not during the fight.
05
Base design that holds up
Check
In short
A compact, well-organized base is easier to defend and expand than a sprawling layout built without a plan.
Start small and add to your base as your resource income grows. Separate your storage area from your crafting area so you can find things quickly when enemies are closing in.
- Begin with only the structures you need to survive the first few nights.
- Increase wall height and thickness gradually as you earn more materials.
- Keep storage and crafting areas in different spots so neither gets in the way of the other.
- Consider boss and enemy attack patterns when deciding where to place towers and walls.
06
Pacing across all 100 days
Table
In short
Splitting the run into three rough phases keeps you from either burning out your resources early or arriving at the late game underprepared.
One hundred days is a long haul, and enemies scale up the whole way. Think of the run in three phases and set loose goals for each one.
| Days 1–30 | focus on resource collection and getting basic defensive structures in place. |
| Days 31–65 | push toward stronger items and more substantial base upgrades. |
| Days 66–100 | lock in powerful weapons and a fully reinforced base to handle bosses and the hardest raids. |
Glossary
Glossary- Chunk
- A floating island above the void — your starting platform, and the type of area you can craft more of to expand your resource zones.
- Raid
- A wave of enemies that attacks your base at regular intervals, which you have to survive using your defensive structures and weapons.
- Boss
- A much stronger enemy than a standard zombie that appears multiple times across the 100 days and hits harder than anything in a regular raid.
- Crafting
- Combining collected resources in the craft menu to produce tools, items, building blocks, or new chunks.
Common questions
FAQWhat causes a game over?
You lose if enemies drain your health to zero, whether during a nightly raid or a boss fight. The goal is to still be standing when day 100 arrives.
How do you get more land to gather from?
You craft new chunks through the craft menu. Each new chunk you create adds a fresh area to mine.
Does night always last the same amount of time?
The game runs a day-night cycle that progresses on its own. Enemies become active and dangerous once night falls.
Updated Oct 2, 2026
Game updates can change what is on this page. If you spot something, get in touch and let us know.
Game updates can change what is on this page. If you spot something, get in touch and let us know.
