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Diluvian Ultra
Diluvian Ultra is a single-player, first-person shooter focusing on a retro aesthetic and fast-paced, strategic combat. The game is set in its own expansive fictive universe. Rather than gritty or dark, Diluvian Ultra is colorful and fantastical, like the cover of pulp sci-fi novels of the past.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via SteamSpy as of 2026-05-14.
“Solid new-Doom style FPS with a very interesting set of characters and lore (very Warhammer-ish), and a slightly unusual take on the usual tropes of the genre. I don't get why people complain about the short length since the game is priced accordingly (IMO at least!). I'm pretty…”
— a player, Steam review · 7 hrs played“Diluvian Ultra is a badass boomer shooter with an outstanding aesthetic and gameplay. Unfortunately it suffers from a handful of bugs but none entirely game-breaking and I still enjoyed playing it so much that I was willing to overlook the issues. This feels like playing a…”
— a player, Steam review · 9 hrs played“Actually a very fun game. It's too bad that my save has none of the weapons that I collected, and is effectively bricked. Looking at the other reviews this seems to be a common issue. Super unfortunate.”
— a player, Steam review · 1 hrs playedLatest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
BOOMSTOCK 2025 is officially live!
It’s time to lock, load, and dive headfirst into the loudest, fastest, and most explosive corner of gaming – the realm of boomer shooters! September 27 , we’re celebrating the genre that never dies: b
Giveaway: Win One of 5 Steam Keys for Diluvian Ultra
Hello everyone! The Steam Summer Sale is just around the corner, kicking off on June 26, and we’re lining up a pretty substantial discount for Diluvian Ultra. But before the event begins, we’ve got so
Forgive Me Father 2 is Out of Early Access Now!
Greetings, everyone! Allow us to inform you, loyal players of Diluvian Ultra, that another first-person-shooter from Fulqrum Publishing has just left Early Access and is available now - the game is no
Hotfix for Achievements Is Out Now
Hello everyone! An unpleasant bug managed to fly under our radars when the most recent patch was released and because of it, some of you were unable to unlock achievements in the game. We have now rel
Diluvian Ultra: Awakening Is Out Now!
Hello everyone! The day has finally come, as a part of the BOOMSTOCK event, we can announce that Diluvian Ultra's prologue called Diluvian Ultra Awakening is launching today. And what's more, the game
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-14.
| Genres | Action, Indie |
| Player tags | FPS · Boomer Shooter · Exploration · Shooter · Tutorial · First-Person · 2.5D · 3D · Lore-Rich · Mars · Action · Linear (SteamSpy community voting) |
| Features | Single-player · Partial Controller Support · Steam Cloud · Family Sharing |
| Languages | English * , Russian, Simplified Chinese * |
| Achievements | 24 |
| Estimated owners | 20,000 – 50,000 (SteamSpy) |
| Official site | https://diluvianultra.com/ |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS: Windows 10/11 (x64) Processor: 2.6GHz dual core/or equivalent Memory: 8 GB RAM Graphics: Nvidia GTX 770 - or equivalent DirectX: Version 11 Storage: 6 GB available space