Biotoxin: The Dark Days
Developed by Fivesyounger Development · Published by Fivesyounger Development
At a glance
Overview
A violent, gore, action game by Fivesyounger Development, published by Fivesyounger Development — single-player.
Steam’s own one-line description: “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.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Biotoxin: The Dark Days.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
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
- 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
Supported languages (1)
Biotoxin: The Dark Days FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Biotoxin: The Dark Days?
Steam classifies Biotoxin: The Dark Days as a Violent, Gore, Action, Adventure, Indie game, developed by Fivesyounger Development. 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.
How much does Biotoxin: The Dark Days cost?
As of June 2026, Steam lists Biotoxin: The Dark Days at $2.99. Prices and regional pricing change — check the Steam page for the current figure.
Is Biotoxin: The Dark Days single-player or multiplayer?
Steam lists these modes for Biotoxin: The Dark Days: Single-player. It lists a single-player mode.
Is Biotoxin: The Dark Days on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Biotoxin: The Dark Days for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Biotoxin: The Dark Days out yet?
Yes — Steam lists a release date of Mar 2, 2017.
What platforms is Biotoxin: The Dark Days on?
Biotoxin: The Dark Days is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Biotoxin: The Dark Days single-player or multiplayer?
Steam lists these modes: Single-player.
How much does Biotoxin: The Dark Days cost?
Steam lists it at $2.99.
Does Biotoxin: The Dark Days have achievements?
Yes — Steam lists 13 achievements for Biotoxin: The Dark Days.
Who made Biotoxin: The Dark Days?
Biotoxin: The Dark Days is developed by Fivesyounger Development and published by Fivesyounger Development.
Where to get Biotoxin: The Dark Days
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, Fivesyounger Development.