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Blood: One Unit Whole Blood
You carved your soul to shreds in servitude to a dark god, but false promises and betrayal were your only reward. Now you have a score to settle and it will be measured in blood! Experience the madness in one carnage-soaked package! All the gore, all the unholy war! Zombies, gargoyles, hellhounds an
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“Compared to Fresh Supply, which is just a remastered version, OUWB contains the original version of Blood and its expansions for it. It's a decent FPS with some well designed maps. The difficulty can be absolutely brutal if you aren't careful enough due to hitscanners, otherwise…”
— a player, Steam review · 90 hrs played“I don't know what to say about this game. It's and old Doom like game, but it has character. It's weird but in a good way. If you grew up in the 90's or want to know whet our culture was like drink 3 mountain dews as fast as you can and play this game with no AC on.”
— a player, Steam review · 0 hrs played“One of the classics. Don't forget to throw tnt around every corner.”
— a player, Steam review · 1 hrs playedPrice tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Action, Adventure |
| Player tags | FPS · Classic · Horror · Action · Gore · 1990's · Shooter · Retro · Old School · Dark · Adventure · Singleplayer (SteamSpy community voting) |
| Features | Single-player · Family Sharing |
| Languages | English * * |
| Estimated owners | 100,000 – 200,000 (SteamSpy) |
Minimum system requirements (PC)
Minimum: OS *: Windows XP or Windows Vista Processor: 1 GHz Processor Memory: 256 MB RAM Graphics: 3D graphics card compatible with DirectX 7 DirectX: Version 7.0