Single-player games like Cavity Busters
Below are 12 single-player Steam games similar to Cavity Busters, 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 Cavity Busters page.
Ranked picks
- 1
Star of Providence
Single-player alternative to Cavity Busters — playable solo, no multiplayer required. Shares Action and Indie with Cavity Busters.
Star of Providence is a top down action shooter with procedurally generated elements. Explore a large, abandoned facility in search of incredible power, fighting dangerous foes and gaining new weapons and upgrades as you progress.
- 2
A Way To Die
Single-player alternative to Cavity Busters — playable solo, no multiplayer required. Shares Action and Indie with Cavity Busters.
Enter the human body with A Way To Die! Play as a disease that attempts to infect its host by contaminating organs and mutating! Discover new ways to win every time you play with all the different diseases!
- 3
Straimium Immortaly
Single-player alternative to Cavity Busters — playable solo, no multiplayer required. Shares Action and Indie with Cavity Busters.
Straimium Immortaly is a shmup roguelike dungeoncrawler. Explore the butts-hard procedurally generated Cubicus battling beasties, looting endless item and weapon upgrades and defeating huge boss meanies in your vengeful quest to eradicate the Queeni Emperess.
- 4
ATOMINE
Single-player alternative to Cavity Busters — playable solo, no multiplayer required. Shares Action and Indie with Cavity Busters.
Atomine is a twin stick procedural shooter rogue-lite set in a virtual world with minimalist design, where the player recounts on the screen the real events of STUXNET, the first weapon ever created in the form of computer virus.
- 5
Doomsday Hunters
Single-player alternative to Cavity Busters — playable solo, no multiplayer required. Shares Action and Indie with Cavity Busters.
Shoot stuff in a perfect pixel world, combine items, build guns, die every time! Roguelite twin-stick shooter where magic and post-apocalyptic future technologies collide. Defeat evil lord Dracula and save everyone!
- 6
Slimekeep
Single-player alternative to Cavity Busters — playable solo, no multiplayer required. Shares Action and Indie with Cavity Busters.
In a world becoming corrupted by the evil Slime King, KILL or CAPTURE various slimes to grow stronger and save Slimetopia! Venture through procedurally generated levels in this fast-paced roguelike, if you're tough enough to not get slimed...
- 7
Starward Rogue
Single-player alternative to Cavity Busters — playable solo, no multiplayer required. Shares Action and Indie with Cavity Busters.
Starward Rogue is a bullet hell twin-stick shooter. Blast your way through the Megalith, a rogue-lite labyrinth lodged in the side of a star. Customize your mech with a huge variety of weapons, perks, and upgrades. Steel yourself for the dangers that lurk in the depths of the dungeon.
- 8
The Void Rains Upon Her Heart
Single-player alternative to Cavity Busters — playable solo, no multiplayer required. Shares Action and Indie with Cavity Busters.
Help her heart battle tough bosses in this Boss Rush, Bullet-hell with rogue-like elements. Fight through several randomly chosen boss battles leading up to a final battle. Each defeated monster will give her random gifts that power up her heart. Don't let her heart break!
- 9
The Binding of Isaac
Single-player alternative to Cavity Busters — playable solo, no multiplayer required. Shares Action and Indie with Cavity Busters.
Now 20% More Evil with the Free Halloween update!
- 10
Enter the Gungeon
Single-player alternative to Cavity Busters — playable solo, no multiplayer required. Shares Action and Indie with Cavity Busters.
Enter the Gungeon is a bullet hell dungeon crawler following a band of misfits seeking to shoot, loot, dodge roll and table-flip their way to personal absolution by reaching the legendary Gungeon’s ultimate treasure: the gun that can kill the past.
- 11
Rheum
Single-player alternative to Cavity Busters — playable solo, no multiplayer required. Shares Action and Indie with Cavity Busters.
Jump down the esophagus of a body plagued by viruses and big bad bosses in this reverse vertical scrolling shoot'em up! Collect eye crusties, upgrade your pupils, and clear the screen of bullets with your cornea crushing eye blasts!
- 12
City Limits
Single-player alternative to Cavity Busters — playable solo, no multiplayer required. Shares Indie with Cavity Busters.
Relax and build cities on a desolate tranquil island. Plan ahead to cover the island efficiently by combining buildings and cementing your place on a tile. Each turn an entity spreads, attempting to take over barren or unstable tiles.