Single-player games like Phasmonauts
Below are 8 single-player Steam games similar to Phasmonauts, 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 Phasmonauts page.
Ranked picks
- 1
Retrobot: 2085
Single-player alternative to Phasmonauts — playable solo, no multiplayer required. Shares Action and Indie with Phasmonauts.
Retrobot: 2085 is a fast, frantic twin-stick arcade shooter with endless robot hordes, survivor rescues, high-score chasing, extra lives, and chaotic 4-player local multiplayer.
- 2
Penguin Weapons
Single-player alternative to Phasmonauts — playable solo, no multiplayer required. Shares Action with Phasmonauts.
Penguin Weapons is a dynamic action roguelite about penguins that collect artifacts, creating absurdly crazy weapons, fight monsters and bosses, unlock stylish clothes, and explore increasingly difficult worlds full of unique combinations and unpredictability alone or with friends.
- 3
FORKLIFT FLOWERPOT: Botanical Investigator
Single-player alternative to Phasmonauts — playable solo, no multiplayer required. Shares Action and Indie with Phasmonauts.
An exploration game about knowledge and discovery. Change the seasons, investigate plants, and discover secrets about the world to stop an ecological disaster.
- 4
Animosity
Single-player alternative to Phasmonauts — playable solo, no multiplayer required. Shares Action and Indie with Phasmonauts.
Through claws and bullets, Red must save his friends from the angry ape menace. Procedural levels create a new experience with every play. Companion AI gives you the backup you need. Coop, Deathmatch, and Speedrun for up to 4 player split screen. Xbox controllers recommended.
- 5
Rookie Spook
Single-player alternative to Phasmonauts — playable solo, no multiplayer required. Shares Indie and Adventure with Phasmonauts.
Being a new ghost is harder than it looks. Curse objects, commune with your surroundings, outwit The Living, and orchestrate elaborate hauntings as you learn the supernatural trade. Explore mysterious places and discover that becoming a ghost takes more than a good scare.
- 6
The Final Witness
Single-player alternative to Phasmonauts — playable solo, no multiplayer required. Shares Indie and Early Access with Phasmonauts.
The Final Witness is a first-person psychological horror detective game where every case tells a different story. Explore a haunted family mansion, uncover hidden truths, analyze conflicting evidence, and identify the true killer before the darkness consumes your sanity.
- 7
Breach Signal
Single-player alternative to Phasmonauts — playable solo, no multiplayer required. Shares Action and Indie with Phasmonauts.
Breach Signal is a 1-6 player co-op cosmic horror game. As a recruit of the FNA, lead expeditions into strange places and investigate mysterious anomalies that threaten our reality.
- 8
Trine 6: Together in Time
Single-player alternative to Phasmonauts — playable solo, no multiplayer required. Shares Action and Indie with Phasmonauts.
Trine 6: Together in Time is a co-op puzzle platformer for 1–4 players. Wit, timing, and teamwork collide as you solve perplexing puzzles, engage cunning creatures, and traverse perilous paths in the next adventure through Trine’s iconic fairytale world.