Single-player games like Diluvian Ultra: Awakening
Below are 8 single-player Steam games similar to Diluvian Ultra: Awakening, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Diluvian Ultra: Awakening page.
Ranked picks
- 1

Diluvian Ultra
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
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.
- 2

Red Faction
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
JOIN THE REVOLUTION! Lured to Mars by the Ultor Corporation's promise of a better life, thousands have come to seek their fortune and work for the massive mining company. But all is not as it seems. A deadly plague is sweeping through the barracks, and miners suffer daily abuse at the hands of the Ultor guards.
- 3

Warhammer 40,000: Boltgun
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.
- 4

Hard Reset Extended Edition
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
Over-the-top destruction, loads of enemies & a beautifully realized cyberpunk setting. Hard Reset is here to shake up the shooter scene. Try the demo now.
- 5

AMID EVIL
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
A retro FPS for the ages! Once branded a HERETIC. Now YOU have been chosen as our champion! Reclaim our sacred weapons. Take back our ancient lands. If you can stand... AMID EVIL.
- 6

Prodeus
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.
- 7

Chaser
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
Mars, 2044. The UN establishes MARSCORP (Martian Security and Economics Committee) under the leadership of Samuel Longwood. In the years that follow, the UN gradually loses control of MARSCORP, mainly due to the non-transparent licence policy of its director.
- 8

Dread Templar
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
Dread Templar is a fast-paced hardcore old-school FPS, combining classic 90s shooter and modern FPS elements. Unlock and combine dozens of weapon upgrades and skills, embrace the Dread Force and obliterate hordes of fiendish enemies. Become the scariest thing in hell and get your revenge!