Single-player games like DarkRealms
Below are 11 single-player Steam games similar to DarkRealms, 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 DarkRealms page.
Ranked picks
- 1

Shake the Baby!
Single-player alternative to DarkRealms — playable solo, no multiplayer required. Shares Action and Indie with DarkRealms.
Shake the Baby! is a fast-paced satirical boomer shooter with a very peculiar weapon system. Pick up a wide variety of babies and merge them into an even more powerful baby. Rip apart your foes in arena combat or traverse carefully made tactical levels. Just remember: SHAKE. THE. BABY!
- 2

HAZAMA_QUEEN
Single-player alternative to DarkRealms — playable solo, no multiplayer required. Shares Action and Indie with DarkRealms.
In the year 202X, the world is "YAMI"...! To save the world, go to hell and kill all the demons. Yes, just like ordering a Frappuccino at a cool cafe!
- 3

Heretic + Hexen
Single-player alternative to DarkRealms — playable solo, no multiplayer required. Shares Action with DarkRealms.
Step into the definitive re-release of two dark spell-casting shooters that shaped the genre. This enhanced restoration makes Heretic™ + Hexen™ available to new audiences and long-time fans with expanded accessibility across more platforms and languages than ever before.
- 4

WRATH: Aeon of Ruin
Single-player alternative to DarkRealms — playable solo, no multiplayer required. Shares Action with DarkRealms.
Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.
- 5

Project Warlock II
Single-player alternative to DarkRealms — playable solo, no multiplayer required. Shares Action and Indie with DarkRealms.
Adrenaline-pumping gore retro funhouse that’s full of guns, magic, demons, vertical arenas, 3D visuals, 2D sprites, and heavy metal music. Inspired by FPS classics like Quake and Doom 64, Project Warlock II is the explosive boomer shooter sequel you were too shy to ask for.
- 6

Bloodshed
Single-player alternative to DarkRealms — playable solo, no multiplayer required. Shares Action and Indie with DarkRealms.
Bloodshed is a Roguelite Survivors FPS; an exhilarating fusion of Roguelite elements merged with retro-styled visuals and first-person “Survivors-like” frenetic combat action!
- 7

Spear of Destiny
Single-player alternative to DarkRealms — playable solo, no multiplayer required. Shares Action with DarkRealms.
It's World War II and you are B.J. Blazkowicz, the Allies' most valuable agent. In the midst of the German Blitzkrieg, the Spear that pierced the side of Christ is taken from Versailles by the Nazis and secured in the impregnable Castle Wolfenstein. According to legend, no man can be defeated when he has the Spear.
- 8

The Apogee Throwback Pack
Single-player alternative to DarkRealms — playable solo, no multiplayer required. Shares Action with DarkRealms.
The Apogee Throwback Pack is a collection of four classic Apogee Software titles all in one kick ass package. Blast your way across the galaxy as British Special Agent Blake Stone in "Aliens of Gold" and "Planet Strike", then take on an ancient evil menace as the H.U.N.T in "Rise of the Triad".
- 9

Z Diaries
Single-player alternative to DarkRealms — playable solo, no multiplayer required.
Z Diaries is an interactive zombie fiction game where you read daily diary entries. At various points in the story, you will be asked to make a choice, these choices will take you down different paths in the story. The objective is to escape from Portland before the bombs drop.
- 10

The Gate
Single-player alternative to DarkRealms — playable solo, no multiplayer required. Shares Indie with DarkRealms.
The Gate is an interactive science fiction graphic novel. At various points in the story, you will be asked to make a choice, these choices will take you down different paths in the story. Your objective as you guide the story is to return back to earth. The game features 3 possible story endings.
- 11

Cold Dark
Single-player alternative to DarkRealms — playable solo, no multiplayer required. Shares Action and Indie with DarkRealms.
Cold Dark is a survival horror boomer shooter. Wake up in a deserted hospital with no memory of how you got there. Battle zombies and mutated horrors with your shotgun and chainsaw as you uncover the truth behind a deadly outbreak consuming the city.