Single-player games like Warhammer 40,000: Inquisitor - Prophecy
Below are 15 single-player Steam games similar to Warhammer 40,000: Inquisitor - Prophecy, 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 Warhammer 40,000: Inquisitor - Prophecy page.
Ranked picks
- 1

Warhammer 40,000: Inquisitor - Martyr
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares Action and Indie with Warhammer 40,000: Inquisitor - Prophecy.
Enter the Chaos-infested Caligari Sector and purge the unclean with the most powerful agents of the Imperium of Man! W40k: Inquisitor – Martyr is a grim Action-RPG featuring multiple classes of the Inquisition who will carry out the Emperor’s will.
- 2

Path of Exile
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares Action and Indie with Warhammer 40,000: Inquisitor - Prophecy.
You are an Exile, struggling to survive on the dark continent of Wraeclast, as you fight to earn power that will allow you to exact your revenge against those who wronged you. Path of Exile is an online Action RPG set in a dark fantasy world. The game is completely free and will never be pay-to-win.
- 3

Necromunda: Underhive Wars
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares Action with Warhammer 40,000: Inquisitor - Prophecy.
Deep below the hive cities of Necromunda, lead, customize and grow your gang in the twisted tunnels of the dystopian Underhive. Face rival gangs in tactical gunfights for power, wealth, survival, and honor.
- 4

Warhammer 40,000: Space Marine - Master Crafted Edition
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares Action and Adventure with Warhammer 40,000: Inquisitor - Prophecy.
Warhammer 40,000: Space Marine returns. Enhanced for a new generation! Enjoy quality of life & graphical improvements that take the Warhammer 40,000: Space Marine experience to the next level.
- 5

Space Hulk: Deathwing Enhanced Edition
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares Action and Adventure with Warhammer 40,000: Inquisitor - Prophecy.
Space Hulk: Deathwing - Enhanced Edition is a First-Person Shooter based on Games Workshop’s cult classic board game set in Warhammer 40,000 universe. Expanding upon the original game, and featuring a host of new content, new features and a richer multiplayer mode.
- 6

Warhammer: Chaosbane
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares Action and Adventure with Warhammer 40,000: Inquisitor - Prophecy.
In a world ravaged by war and dominated by magic, you must rise up to face the Chaos hordes. Playing solo or with up to four players in local or online co-op, choose a hero from four character classes and prepare for epic battles wielding some of the most powerful artefacts of the Old World.
- 7

The Riftbreaker
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares Action and Indie with Warhammer 40,000: Inquisitor - Prophecy.
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
- 8

Space Hulk: Tactics (Classic)
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required.
Space Hulk: Tactics is a faithful adaptation of the board game Space Hulk, set in the Warhammer 40,000 universe, bringing a unique twist to the cult classic formula. Engage in bloody battles as either a squad of Terminator Space Marines or the deadly alien Genestealers.
- 9

The Incredible Adventures of Van Helsing
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares Action and Indie with Warhammer 40,000: Inquisitor - Prophecy.
Put on your wide-brimmed hat, grab your weapons and embark on an incredible adventure in the gothic-noir world of Borgovia, where mad science threatens the fragile peace between monster and mortal.
- 10

King Arthur: Knight's Tale
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares RPG with Warhammer 40,000: Inquisitor - Prophecy.
A unique hybrid between turn-based tactical games and traditional, character-centric RPGs. Knight's Tale is a modern retelling of a classic Arthurian mythology story filtered through the dark fantasy tropes, a twist on the traditional tales of chivalry.
- 11

The Incredible Adventures of Van Helsing II
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares Action and Indie with Warhammer 40,000: Inquisitor - Prophecy.
In the second part of the unfolding saga that could also be enjoyed independently, you can explore new corners of this unique world and experience the mix of old-school gothic and mad science, with more action, powerful foes and plenty of stunning places to visit.
- 12

The Incredible Adventures of Van Helsing: Final Cut
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares Action and Indie with Warhammer 40,000: Inquisitor - Prophecy.
Embark on an adventure in a gothic-noir world, where mad science threatens the peace between monsters and mortals. The Incredible Adventures of Van Helsing: Final Cut is definitive edition of the trilogy with six playable classes and a new endgame mode with a huge variety of open missions!
- 13

Deathtrap
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares Action and Indie with Warhammer 40,000: Inquisitor - Prophecy.
Deathtrap is a Tower Defense game with strong action-RPG elements, a game of vicious tricks, killing machines, rotating blades and splattering blood.
- 14

The Incredible Adventures of Van Helsing III
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares Action and Indie with Warhammer 40,000: Inquisitor - Prophecy.
Van Helsing, monster hunter will face the most difficult trials of his life as he is trying to destroy his nemesis. The civil war is over in Borgovia, but the future still looks grim. The city of weird science is in ruins and a strange cult prophesises the coming of the end times.
- 15

King Arthur: Legion IX
Single-player alternative to Warhammer 40,000: Inquisitor - Prophecy — playable solo, no multiplayer required. Shares RPG with Warhammer 40,000: Inquisitor - Prophecy.
Dive into a unique blend of turn-based tactics and character-centric RPGs. Lead the skilled Roman tribune Gaius Julius Mento as he navigates through the dark fantasy realm of Avalon.