Single-player games like Sleep Attack
Below are 10 single-player Steam games similar to Sleep Attack, 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 Sleep Attack page.
Ranked picks
- 1
Broken Universe - Tower Defense
Single-player alternative to Sleep Attack — playable solo, no multiplayer required. Shares Strategy and Indie with Sleep Attack.
Get ready to rethink all your defense strategies! Build barricades to stop monsters, or lure them into a maze and attack. A variety of stages that change each time depending on how you play them.
- 2
Ancient Planet Tower Defense
Single-player alternative to Sleep Attack — playable solo, no multiplayer required. Shares Strategy and Indie with Sleep Attack.
Ancient Planet is classic tower defense game. The stronghold of an ancient civilization has been invaded by hordes of alien raiders. Use powerful technologies of the Ancient and repel the attack of the enemy's armies!
- 3
Age of Defense
Single-player alternative to Sleep Attack — playable solo, no multiplayer required. Shares Strategy and Indie with Sleep Attack.
Age of Defense is a tower defense game full of mind-blowing mayhem. There are tons of monsters and tough defenders in the game each of which fits perfectly into a funny cartoonish setting.
- 4
Radiant Defense
Single-player alternative to Sleep Attack — playable solo, no multiplayer required. Shares Strategy and Indie with Sleep Attack.
MILLIONS OF ALIENS WILL DIE!Radiant Defense is a tower defense game set in a vibrant universe invaded by countless alien hordes.Build your space fortress any way you wish, set up wide variety of weapons and traps and let the invasions begin!
- 5
Holo vs Robo
Single-player alternative to Sleep Attack — playable solo, no multiplayer required. Shares Strategy and Indie with Sleep Attack.
Build a strong defense of hololive dolls to defeat a robot army in this exciting hololive-themed tower defense game!!
- 6
Freedom Defender
Single-player alternative to Sleep Attack — playable solo, no multiplayer required. Shares Strategy and Indie with Sleep Attack.
Freedom Defender is a satirical tower defense game set in a fictional country obsessed in keeping it's borders free from foreigners.
- 7
Orcs Must Die!
Single-player alternative to Sleep Attack — playable solo, no multiplayer required. Shares Strategy and Indie with Sleep Attack.
Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.
- 8
CastleStorm
Single-player alternative to Sleep Attack — playable solo, no multiplayer required. Shares Strategy and Indie with Sleep Attack.
Welcome to the world of CastleStorm, a super genre mashup of 2D physics destruction mashed with tower defense brawler! CastleStorm was born out of the fond childhood memory of building and destroying LEGO castles.
- 9
Crime O'Clock
Single-player alternative to Sleep Attack — playable solo, no multiplayer required. Shares Indie and Casual with Sleep Attack.
Crime O'Clock is a hidden objects investigation and time exploration game with a deep storyline. Investigate cases through time and evolving maps by unveiling a multi-eras linked story. Will you be observant enough to solve the mysteries? Crime waits for no man!
- 10
The Beggar's Ride
Single-player alternative to Sleep Attack — playable solo, no multiplayer required. Shares Indie and Casual with Sleep Attack.
The Beggar’s Ride is a unique and innovative Platform Puzzle Adventure Game where the player can manipulate the environment to solve puzzles in a deep and intriguing story of discovery.