Single-player games like Project Warlock
Below are 15 single-player Steam games similar to Project Warlock, 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 Project Warlock page.
Ranked picks
- 1
Project Warlock II
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action and Indie with Project Warlock.
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.
- 2
Hellbound
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action and Indie with Project Warlock.
Classic First Person Shooter style game. Like the good old days. An action game focused on speed, gore, guns, and metal music. Inspired by the 90s’ classics with modern visuals and audio!
- 3
DUSK
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action and Indie with Project Warlock.
Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.
- 4
Warhammer 40,000: Boltgun
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action and Indie with Project Warlock.
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.
- 5
Dread Templar
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action and Indie with Project Warlock.
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!
- 6
Ion Fury
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action and Indie with Project Warlock.
3D Realms, creators of Duke Nukem 3D, Prey, and Max Payne, team up with Voidpoint to bring back the legendary Build Engine, famous for classic shooters like Duke Nukem 3D, Shadow Warrior, and Blood. Fast-paced FPS combat across huge, secret-packed levels. Ion Fury is the real deal!
- 7
Bloodshed
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action and Indie with Project Warlock.
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!
- 8
AMID EVIL
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action and Indie with Project Warlock.
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.
- 9
Quake
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action with Project Warlock.
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
- 10
ULTRAKILL
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action and Indie with Project Warlock.
ULTRAKILL is a fast-paced ultra-violent retro FPS that combines the skill-based style scoring of character action games with the unadulterated carnage inspired by the best shooters of the '90s. Rip apart your foes with varied destructive weaponry and shower in their blood to regain your health.
- 11
Wolfenstein 3D
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action with Project Warlock.
World War II rages. The Nazis are planning to build an unstoppable, mutant army. On a mission to steal the secret plans, you were captured and imprisoned. Now, a lucky break gives you the chance to escape, but a maze of passages and trigger-happy Nazis stand in your way.
- 12
Turbo Overkill
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action and Indie with Project Warlock.
Enter Paradise as Johnny Turbo—half-metal, half-human, all-murder machine. Clean up the streets with a chainsaw leg, 15+ weapons and your hovercar as you battle the rogue AI Syn, rival bounty hunters and cyberpunks aplenty. Apogee’s most outrageous FPS since Duke Nukem 3D. Good hunting, Sir!
- 13
Proteus
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Indie with Project Warlock.
Proteus is a game about exploration and immersion in a dream-like island world where the soundtrack to your play is created by your surroundings. Played in first-person, the primary means of interaction is simply your presence in the world and how you observe it.
- 14
HeXen II
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action with Project Warlock.
The Four Horsemen of the Apocalypse lurk in the shadows before you. They are Death, Pestilence, Famine, and War. They are the root of all that is evil, but the least of your worries. The last of the three Serpent Riders yet lives.
- 15
DOOM
Single-player alternative to Project Warlock — playable solo, no multiplayer required. Shares Action with Project Warlock.
Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.