100 days — Steam capsule
Steam capsule · 460×2152.14 : 1

100 days Free Download

by SMgames

Windows · Aug 17, 2021

Download Now Data checked on Steam: Oct 20, 2026
Fit check

Is 100 days worth it for you?

We tell you who should skip it, too.

Play it if you…

Good fit
  • Survival-game players who want an island setting and a 100-day objective
  • Exploration fans interested in finding secrets within one island
  • Players interested in crafting and construction who accept an alpha version

Skip it if you…

Saves you a refund
  • Players seeking a finished release rather than an alpha version with planned features still to come
  • Players looking for a game with more clearly detailed systems than the listed survival, building, crafting, and exploration elements
  • Players seeking a business-management game or a prison-escape RPG

Drafted from Steam store data with AI and reviewed by an editor · How we write fit checks · Report an error

Our take on 100 days

The 100-day survival premise receives the clearest emphasis, while the current feature list remains brief. Because this is an alpha version, the stated experience is presented alongside planned features that are not available yet.

What is 100 days?

Survive for 100 days on one island by building, exploring, and searching for secrets.

The alpha version includes AI, construction, crafting, an underwater world, and instant game saving. Physical crafts are part of the game world. The vendor also says planned features will become available later.

How 100 days plays

01Construction system
The alpha version includes construction as one of its listed systems.
02Crafting system
Players can create physical crafts within the game world.
03Underwater world
An underwater world is included among the alpha version’s features.
04Instant saving
The game includes a saving function that operates instantly.

100 days compared to similar games

100 days focuses on surviving for 100 days on one island, with exploration, secrets, construction, crafting, and an underwater world. Mr. Prepper centers on preparing for possible nuclear war, building an underground shelter, crafting, and dealing with an authoritarian government.

100 days: platforms & release

Is 100 days worth it?

It is worth it if: survival-game players who want an island setting and a 100-day objective. Skip it if: players seeking a finished release rather than an alpha version with planned features still to come.

Where can I download 100 days?

Use the Download Now button on this page: it opens 100 days's store page, where you can choose how to get it.

What platforms is 100 days on?

Windows only.

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