Single-player games like F.U.N
Below are 8 single-player Steam games similar to F.U.N, 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 F.U.N page.
Ranked picks
- 1
Gunlocked 2
Single-player alternative to F.U.N — playable solo, no multiplayer required. Shares Action and Indie with F.U.N.
Movement is your weapon. A sci-fi action roguelike and shmup combined, in Gunlocked 2 you'll pilot and upgrade a state-of-the-art warship against endless waves of deadly aliens. Deep customization, branching paths, and tons of unlockables offer endless replayability!
- 2
Compadrone: Land Wars
Single-player alternative to F.U.N — playable solo, no multiplayer required. Shares Action and Indie with F.U.N.
In this fast-paced roguelite arena shooter with tower-defense twists, control a drone capable of wielding multiple weapons and fight hordes of alien warbots. Collect resources and XP to unlock new weapons, towers, abilities, and drones.
- 3
Homesider Survivors
Single-player alternative to F.U.N — playable solo, no multiplayer required. Shares Action and Indie with F.U.N.
HOMESIDER SURVIVORS is a single player survivor-like auto-shooter. You find yourself far from home against countless hordes of aliens...but they're the ones who have to survive, because they kidnapped the wrong guy. Kill, die, level up, and try again until you get home.
- 4
Gamba Gun
Single-player alternative to F.U.N — playable solo, no multiplayer required. Shares Action and Indie with F.U.N.
Gamba Gun is the idiotic fusion of top-down shooter and deck building rogue-likes. Experiment with endless ammo combinations, and create powerful synergies to fight against a colorful cast of enemies.
- 5
Underwater DuO
Single-player alternative to F.U.N — playable solo, no multiplayer required. Shares Action and Indie with F.U.N.
In Underwater Duo, control a smashing turtle with your left hand and a blasting jellyfish with your right! Fight off waves of fierce fish, grow stronger, and see if your two hands can conquer the deep… or team up with a perfectly in-sync partner.
- 6
Nelumbra
Single-player alternative to F.U.N — playable solo, no multiplayer required. Shares Action and Indie with F.U.N.
Trapped in a timeloop with no memories, you are the Light Bearer, fighting to uncover the truth - but at what cost? Harness rhytmic auto-attacks and dashes as light fades around you, raising tension with every move. Shape your power, rewrite your path, and embrace eternity or break free.
- 7
Boom Buddies
Single-player alternative to F.U.N — playable solo, no multiplayer required. Shares Action and Indie with F.U.N.
Boom Buddies is a fixed-position bullet hell survival game where animal heroes face endless enemy waves, upgrade weapons through card choices, unlock new characters, and compete on global leaderboards.
- 8
Let Them Come: Onslaught
Single-player alternative to F.U.N — playable solo, no multiplayer required. Shares Action with F.U.N.
Survive the relentless offensive of the alien horde in Let Them Come: Onslaught, a sci-fi survival roguelite. The pursuit of the perfect build and an ever-expanding arsenal of abilities are the keys to your success.