Biotoxin: The Dark Days

Biotoxin: The Dark Days

13 achievements
Ultra Rareร—8
Very Rareร—5

About Biotoxin: The Dark Days's achievements

Biotoxin: The Dark Days has 13 Steam achievements, 8 of them ultra-rare โ€” unlocked by under 5% of players. The rarest is "Level 8", earned by just 4.6% of players. 2 SteamVault members have 100%-completed it so far. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement
4.6%
of players earned "Level 8"
SteamVault 100%s
2
members fully completed it

Community Ratings

No ratings yet
Difficultyโ€”
Easy โ†’ Brutal
Enjoymentโ€”
Meh โ†’ Loved it
Grindinessโ€”
No grind โ†’ Huge grind
Want to rate Biotoxin: The Dark Days? Sign in with Steam โ€” one rating per person.
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All Biotoxin: The Dark Days achievements

13 achievements
Level 8
Level 8
Complete level 8
Ultra Rare4.6%
Finish Game
Finish Game
Complete the game on any difficulty.
Ultra Rare4.6%
Dissimilar...
???
Hidden achievement โ€” tap Reveal secrets to spoil
Ultra Rare4.6%
Level 9
Level 9
Complete level 9
Ultra Rare4.6%
Level 6
Level 6
Complete level 6
Ultra Rare4.7%
Level 7
Level 7
Complete level 7
Ultra Rare4.7%
Level 4
Level 4
Complete level 4
Ultra Rare4.8%
Level 5
Level 5
Complete level 5
Ultra Rare4.8%
Level 3
Level 3
Complete level 3
Very Rare6.6%
Level 2
Level 2
Complete level 2
Very Rare6.8%
LEVEL 1
LEVEL 1
Complete level 1
Very Rare7.3%
LEVEL 0
LEVEL 0
Complete the tutorial.
Very Rare8.1%
FIRST BLOOD
FIRST BLOOD
Kill an infected.
Very Rare8.2%