Single-player games like Rainfusor
Below are 9 single-player Steam games similar to Rainfusor, 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 Rainfusor page.
Ranked picks
- 1
Neon Armada - Solar Storm
Single-player alternative to Rainfusor — playable solo, no multiplayer required. Shares Action with Rainfusor.
A top-down arena roguelite you can learn in one wave and spend a hundred hours mastering. Waves close in from every edge; the shop between them decides what you become. 32 ships, 28 weapons, 115 mods to combine — then endless mode, where the caps come off.
- 2
Bait Soul
Single-player alternative to Rainfusor — playable solo, no multiplayer required. Shares Action with Rainfusor.
Bait Soul is a top-down Dungeon Crawler Roguelike. It blends dungeon exploration with Survivors-style auto-attacks. Accessible yet deep, it retains the thrill of looting, with unique, game-changing mechanics hidden everywhere.
- 3
Overleveled
Single-player alternative to Rainfusor — playable solo, no multiplayer required. Shares Action with Rainfusor.
A fast paced rogue-lite RPG where you create overpowered builds while exploring an expansive dungeon filled with dangerous monsters and powerful artifacts. Play solo or with up to three friends. Every run earns permanent gear upgrades. You'll need everything you have to beat... Doug
- 4
Slayer Queen
Single-player alternative to Rainfusor — playable solo, no multiplayer required. Shares Action with Rainfusor.
A bullet heaven roguelite where rock music, alternative fashion, and the chaos of purgatory collide in intense 3-minute runs. Create powerful weapon builds and fight to the sound of a licensed soundtrack featuring emerging independent artists.
- 5
Malignant Survivors 2
Single-player alternative to Rainfusor — playable solo, no multiplayer required. Shares Action with Rainfusor.
Experience the most intense 3D crowd combat ever. Pick a hero, gear up and face the horde. Grab loot, get stronger and stay alive. Died? Try another hero, another build. Find your own path to the Abyss.
- 6
Loot Frog
Single-player alternative to Rainfusor — playable solo, no multiplayer required. Shares Action with Rainfusor.
Loot Frog is an incremental action bullet hell about breaking pots, collecting gems, and fighting an evil cult. Upgrade your gear, unlock new abilities, explore diverse biomes, and push deeper into increasingly chaotic battles.
- 7
PHOSPHOR
Single-player alternative to Rainfusor — playable solo, no multiplayer required. Shares Action with Rainfusor.
An action-packed retro cyberpunk roguelike platformer dropping players into an infested industrial abyss. Blast through hordes and giant bosses, and loot from 350+ weapons and upgrades. Every descent generated fresh. Die, keep what you forge, unlock operatives, and drop deeper into the PHOSPHOR.
- 8
Void Reaver
Single-player alternative to Rainfusor — playable solo, no multiplayer required. Shares Action with Rainfusor.
Organize. Optimize. Obliterate. Void Reaver is a sci-fi bullet heaven where your backpack is your firepower. Grid-manage 300+ weapons and artifacts into explosive synergies, unlock specialized skill trees, and blast through alien hordes to a high-octane electronic soundtrack.
- 9
Super Chaos
Single-player alternative to Rainfusor — playable solo, no multiplayer required. Shares Action with Rainfusor.
Bored of snail‑paced mundane? Nuke this petri dish clean from eldritch germs in a frantic top‑down physics arcade where every upgrade goes off the rails! You will warp the space, WEAPONIZE CHAOS PHYSICS, and mutate your build into something barely controllable… and completely unstoppable.