Single-player games like The Swarm
Below are 8 single-player Steam games similar to The Swarm, 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 The Swarm page.
Ranked picks
- 1

Golgalian
Single-player alternative to The Swarm — playable solo, no multiplayer required. Shares Action with The Swarm.
Pilot the tank Golgalian in an endless micro shoot 'em up inspired by arcades old and new. Blast mechs, dodge bullets, and compete on the global leaderboard!
- 2

Dustin Sunset
Single-player alternative to The Swarm — playable solo, no multiplayer required. Shares Action with The Swarm.
A post-apocalyptic world, a bastion of hope, the wasteland gangs united to destroy it, and only one man crazy enough to try to save it. Dustin Sunset is a vertical shoot ’em up with a touch of bullet hell and a whole lot of love, made by fans of the genre for fans of the genre.
- 3

Maze Mice
Single-player alternative to The Swarm — playable solo, no multiplayer required. Shares Action with The Swarm.
Maze Mice is a bullet heaven roguelite where time only moves when you move. Collect dots, level up, choose upgrades, and avoid cats. All at your own pace.
- 4

Super Hydorah
Single-player alternative to The Swarm — playable solo, no multiplayer required. Shares Action with The Swarm.
Super Hydorah is a nonlinear horizontal shoot’ em up designed to offer a challenging experience, sublimating the richness of traditional shmup classics. Face the menace of the Meroptians aboard the Delta Lance, alone or with your friends in this game with direct action and nostalgic art.
- 5

GunSuit Guardians
Single-player alternative to The Swarm — playable solo, no multiplayer required. Shares Action with The Swarm.
Gear up your GunSuit and defend Earth from an alien siege! Equip and upgrade unique arsenals of overpowered weapons to survive overwhelming numbers in this action-roguelite twin-stick horde survival.
- 6

Biolab Wars
Single-player alternative to The Swarm — playable solo, no multiplayer required. Shares Action with The Swarm.
Inspired by the 8-bit games and by the movies from the 80's, your goal is to blow things up, defeat aliens and fight bizarre bosses in this platformer 2D with classic mechanics.
- 7

Outer Terror
Single-player alternative to The Swarm — playable solo, no multiplayer required. Shares Action and Adventure with The Swarm.
DON’T DIE as you assemble a ridiculous arsenal of weapons and desperately hold out against massive hordes of creatures pulled from a variety of classic horror genres reminiscent of 80s and 90s Golden Age comics and B-movies in this stylish action-packed arcade roguelite.
- 8

Disc Room
Single-player alternative to The Swarm — playable solo, no multiplayer required. Shares Action and Adventure with The Swarm.
Are you ready to get sliced in half? The year is 2089 and a giant disc has appeared in orbit of Jupiter. Step into the oversized space suit of a brave scientist and explore this sprawling intergalactic slaughterhouse.