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
CASTILLO: Shattered Mirrors
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
Castillo Shattered Mirrors is a Gothic FPS and Collectathon. Battle legions of the undead in your quest to defeat Dracula with an arsenal of mythical weaponry. Enter dimensional gates through Dracula's castle and decide which worlds to enter, shards to collect, and bosses to defeat.
- 3
QUADREMOR
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
A first-person shooter where you play as one of the last human mercenaries, driven by vengeance for the annihilation of humanity. Dive deep into a dark and unforgiving realm fueled by cruelty.
- 4
Death Delivery
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
Death Delivery is satisfying, fast-paced First Person Shooter with stylized slow motion,music, action and old-school trial-and-error difficulty.
- 5
CASTILLO: The Nine Circles
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
CASTILLO: The Nine Circles is an FPS Collectathon. Collect power shards in each circle of hell to unlock new areas and progress on your quest through 9 diverse worlds. Embark on a journey through the circles of Hell, using unique abilities and weapons.
- 6
Machinicide
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
Machinicide is a boomer shooter with imm sim and bullet hell elements. Reduce all evil robots to scraps with a huge arsenal of futuristic weapons and abilities, such as telekinesis, changing of gravity and many more.
- 7
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.
- 8
REVEREND
Single-player alternative to Diluvian Ultra: Awakening — playable solo, no multiplayer required. Shares Action with Diluvian Ultra: Awakening.
A retro first-person shooter inspired by Blood, Duke Nukem 3D, and Rise of the Triad. REVEREND is a dark, twisted tale with religious undertones, terrifying creature designs and one hell of a personality.