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Biotoxin: The Dark Days

Game overview

Biotoxin: The Dark Days

Fivesyounger Development · Mar 2, 2017

Biotoxin: The Dark Days is a horror platformer where you must fight your way through the remenants of the world. Loot weapons and ammo to improve your arsenal in order take on hordes of infected in an unforgiving future.

Action Adventure Gore Indie Violent
Last tracked players
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All-time peak
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24-hour change
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Steam reviews
60% positive
25 reviews · via SteamSpy

Delayed observation · last tracked . Values marked unavailable are not estimated.

About this game Read the full description
Biotoxin: The Dark Days is a horror platform shooter set during 2048 in post-apocalyptic America. Attempt to survive by looting buildings for food, ammunition, weapons and medicine.

In a biological war, the majority of the world's population were either wiped out or weaponised. Now, 17 years on, you must travel across the ruins of the world.

Key Features
  • Combat: Fighting both infected and humans is fast and frantic. You must use your weapons and environment to survive these encounters.
  • Open Environments: From small towns and forests to dense cities, you must use your wits and skill to get past the infected and other survivors.
  • Story: Play through 10 huge levels in a post-apocalyptic story or test your skill in the horde mode.
  • Loot: Scavenge the levels for weapons and medicine. You will need everything to survive in this harsh world.
  • Weapons: There is a huge arsenal of weapons, ranging from crude melee weapons to military firearms.
Media gallery 10 screenshots · 0 videos
Biotoxin: The Dark Days game capsule image

Screenshots

Biotoxin: The Dark Days screenshot 1
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Biotoxin: The Dark Days screenshot 8
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System requirements Windows

Windows

Minimum

Minimum:
  • OS *: Microsoft® Windows® 7 / 8.1 / 10
  • Processor: 1.2 GHz processor of faster
  • Memory: 2 GB RAM
  • Graphics: DirectX 8 compatible graphics card with 512mb video memory
  • DirectX: Version 9.0c
  • Storage: 70 MB available space

Recommended

Recommended:
  • OS *: Microsoft® Windows® 7 / 8.1 / 10
  • Processor: 1.4 GHz processor of faster
  • Memory: 4 GB RAM
  • Graphics: DirectX 8 compatible graphics card with 512mb video memory
  • DirectX: Version 9.0c
  • Storage: 70 MB available space
Game details Languages, features & support
Publisher
Fivesyounger Development
Achievements
13
Features
Single-player, Steam Achievements, Steam Trading Cards, Family Sharing
Languages
English*
*languages with full audio support
Compatibility & accessibility Steam Deck, controllers & access features

Can I Play This?

Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

Sources fresh
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
unknown
Valve compatibility test
Input
Controller support: unknown
Structured language support (1)
LanguageInterfaceFull audioSubtitles
EnglishYesYesYes
Steam store page fresh · checked 2026-10-13 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
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Game Insights

Buy Verdict

Watch — $2.99.

Decent deal at 0% off, but might drop further. Watch for better opportunities.

▲ ~12 days until next sale

Value Score

Great Value — 100th percentile.

Price-to-player ratio ranks in the 100th percentile. Priced as Market at $2.99.

▲ Market pricing tier

Genre Benchmarks

Value Ratio Top 0%

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Developer Analytics

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Frequently Asked Questions

Is Biotoxin: The Dark Days worth buying right now?
Watch — $2.99. Decent deal at 0% off, but might drop further. Watch for better opportunities.
When does Biotoxin: The Dark Days go on sale?
Decent deal at 0% off, but might drop further. Watch for better opportunities.
Is Biotoxin: The Dark Days free to play?
Biotoxin: The Dark Days costs $2.99 on Steam.
What genre is Biotoxin: The Dark Days?
Biotoxin: The Dark Days is a Violent, Gore, Action, Adventure, Indie game.
Who developed Biotoxin: The Dark Days?
Biotoxin: The Dark Days was developed by Fivesyounger Development and published by Fivesyounger Development.
What platforms does Biotoxin: The Dark Days support?
Available on Steam for Windows.

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