Single-player games like Boomfish
Below are 9 single-player Steam games similar to Boomfish, 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 Boomfish page.
Ranked picks
- 1
Loki's Revenge
Single-player alternative to Boomfish — playable solo, no multiplayer required. Shares Indie with Boomfish.
Loki’s Revenge is a survivors-like roguelite where you play as Norse gods fighting Loki’s army of monsters! Level up to gain powerful upgrades and explore hand-crafted maps to find secrets. Build the ultimate overpowered god with permanent upgrades and master each god’s signature ability.
- 2
Chronos Trap in Time
Single-player alternative to Boomfish — playable solo, no multiplayer required. Shares Indie with Boomfish.
Harness the power of Greek Gods in this intense vertical rogue-like shooter. Command divine Mechas, brew sacred potions, and unlock permanent upgrades at Hephaestos’ Forge. Battle mythical hordes and challenge the Titans in a fast-paced quest for eternal glory!
- 3
Gore Storm
Single-player alternative to Boomfish — playable solo, no multiplayer required. Shares Indie and Casual with Boomfish.
Battle massive hordes of alien monsters to secure humanity's presence on planet Gore. Upgrade your base, hire troops, and install turrets to fight back the ever growing waves of aliens.
- 4
SinSiege
Single-player alternative to Boomfish — playable solo, no multiplayer required.
SinSiege is a action rogue-like/tower defense hybrid set in Hell, where humanity's embassies is under siege. Play as legendary heroes, build divine defenses, and face off against waves of demons corrupted by the Seven Sins in a battle to protect mankind’s final haven in hell.
- 5
Seconds Till Destruction
Single-player alternative to Boomfish — playable solo, no multiplayer required. Shares Indie with Boomfish.
Kill everyone in six seconds! Seconds Till Destruction is a lightning-fast and randomized top-down shooter. Use a massive array of guns and quick thinking to destroy humanity, one floor at a time!
- 6
Shapes: The Tower Defense Game
Single-player alternative to Boomfish — playable solo, no multiplayer required. Shares Indie with Boomfish.
Strategize your base to build and defend off waves of enemies in an on going battle. Plan, Attack, Defend and Grow! In the stratigic tower defense shooter.
- 7
Night Light
Single-player alternative to Boomfish — playable solo, no multiplayer required. Shares Indie with Boomfish.
Defend against the creatures of that night! Protect yourself and your lamp by building and upgrading your base. Equip yourself with the best weapons to deal with the incoming waves.
- 8
Solitary Sentinel
Single-player alternative to Boomfish — playable solo, no multiplayer required. Shares Indie with Boomfish.
Welcome to Solitary Sentinel, a captivating modern reimagination of Space Invaders and Missile Command, where you must defend against constantly evolving enemies by upgrading a single Sentinel. Enjoy simple controls, and deep strategic gameplay as you fend off the relentless onslaught!
- 9
Send Forth the Brave
Single-player alternative to Boomfish — playable solo, no multiplayer required. Shares Indie and Casual with Boomfish.
Roguelike deckbuilder where you run an Adventurers’ Guild. Combine heroes, weapons, and items into teams, fulfill quirky commissions, deal with difficult clients, and build the most powerful guild in the realm.