Single-player games like Outbreak: Endless Nightmares
Below are 16 single-player Steam games similar to Outbreak: Endless Nightmares, 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 Outbreak: Endless Nightmares page.
Ranked picks
- 1
Lost Castle / 失落城堡
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
Lost Castle is an action RPG beat'em up with roguelike elements and randomized dungeons for up to four players online and local!
- 2
Children of Morta
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
Children of Morta is a story-driven action RPG game about an extraordinary family of heroes. Lead the Bergsons, with all their flaws and virtues, against the forthcoming Corruption. Will you be able to sacrifice everything to save the ones you care for?
- 3
Striving for Light
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
Blending deep Action RPG buildcrafting with roguelite action, Striving for Light lets you shape and customize an infinite skilltree. Hunt for powerful loot, craft and upgrade weapons to legendary power, slay hordes of enemies and challenging bosses in ever-changing dark worlds.
- 4
Floor44
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
Floor44 is a hardcore luckiness detector kinda game with randomly generated maps, the goal is to make it to the top floor. You can rely on your skills to reach floor30, but you'll need more than that to make it to Floor44.
- 5
Moon Hunters
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Indie and Adventure with Outbreak: Endless Nightmares.
Play alone or with friends! A co-op personality test about exploring an ancient, occult world in 5 days. How will you be remembered?
- 6
Rampage Knights
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
Rampage Knights is a cooperative beat 'em up game mixed up with randomized dungeon crawling and exploration, which you can play alone or with a friend online.
- 7
Skeletal Avenger
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
Embark on a bone-chilling quest for vengeance as a skull-hurling skeletal warrior in Skeletal Avenger! This captivating roguelite dungeon crawler melds hack'n'slash mayhem with endlessly replayable gameplay, offering a thrilling, ever-evolving experience that keeps you coming back for more.
- 8
Dungeon Souls
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
Dungeon Souls is an action-adventure roguelike dungeon crawler which draws heavy inspiration from Nuclear Throne, Risk of Rain, and Overture. Explore vast procedurally generated dungeons, collect loot, and slay hordes of challenging enemies!
- 9
Outbreak: The New Nightmare
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
Return to the roots of co-op survival horror as you face monstrous hordes, scrounge for supplies and attempt to survive the nightmare. You have one life. Make it count!
- 10
Outbreak
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
Race against the clock and battle the undead in this co-op survival horror nightmare.
- 11
Outbreak: The Nightmare Chronicles
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
Experience an immersive and horrifying episodic single-player survival horror nightmare. Trapped alone in a desolate manor and hunted by monstrous foes, you will need to scrounge for supplies, manage your resources, solve puzzles and battle the undead to survive.
- 12
Outbreak: Lost Hope
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
Help a mother survive against the undead and find her her lost daughter in this hardcore survival horror nightmare.
- 13
Outbreak: Epidemic
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
Return to the world of 4-player co-op survival horror with classic gameplay, strict inventory management, crushing enemies, horrific difficulty and more as you and a group of survivors try to survive the epidemic.
- 14
Outbreak: Contagious Memories
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
You’re trapped in a city ravaged by the undead - can you make it out alive? Join Lydia in her desperate struggle to escape, either alone or with a friend in co-op, in this chilling love letter to classic 90s survival horror.
- 15
Dinobreak
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Action and Indie with Outbreak: Endless Nightmares.
Dinosaurs have returned in this retro survival horror crisis.
- 16
Outbreak The Fedora Files: What Lydia Knows
Single-player alternative to Outbreak: Endless Nightmares — playable solo, no multiplayer required. Shares Indie and Adventure with Outbreak: Endless Nightmares.
Something is foul in the city of Cypress Ridge. Uncover the truth in this narrative rich visual novel taking place just moments before a full blown undead epidemic.