Single-player games like I'm Not Sleepy
Below are 9 single-player Steam games similar to I'm Not Sleepy, 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 I'm Not Sleepy page.
Ranked picks
- 1
Dungeon Watchers
Single-player alternative to I'm Not Sleepy — playable solo, no multiplayer required. Shares Action and Indie with I'm Not Sleepy.
Survive and destroy monsters to your heart's content with the help of powerful and unique characters. Unlock new characters and discover the synergies with their abilities to unleash game-breaking builds and slay everything on your path.
- 2
Spell Defender
Single-player alternative to I'm Not Sleepy — playable solo, no multiplayer required. Shares Action and Indie with I'm Not Sleepy.
Spell Defender is a 3D, Third-Person, wave defence, survival Roguelite. Use magical powers to defeat waves of enemies. Each wave rewards you with a choice of a new power. Find synergies and combine these powers to create the ultimate defender.
- 3
Nomad Survival
Single-player alternative to I'm Not Sleepy — playable solo, no multiplayer required. Shares Action and Indie with I'm Not Sleepy.
Battle against hordes of enemies, conquer Boss encounters, and explore various character and skill combinations in this time-based auto-attacking Roguelite in your quest to become stronger and defeat the most menacing of creatures that lay in wait at the end of each run.
- 4
Solace Inc.
Single-player alternative to I'm Not Sleepy — playable solo, no multiplayer required. Shares Action and Indie with I'm Not Sleepy.
A survivors-like about a time-travelling company where you recruit your employees against endless hordes of enemies.
- 5
Bullet Bunny
Single-player alternative to I'm Not Sleepy — playable solo, no multiplayer required. Shares Action and Indie with I'm Not Sleepy.
Bullet Bunny is a twin-stick shooter with rogue-like elements. Fend off an onslaught of enemies, level up, and create unique builds every run while trying to survive 500 seconds!
- 6
Nordic Ashes: Survivors of Ragnarok
Single-player alternative to I'm Not Sleepy — playable solo, no multiplayer required. Shares Action and Indie with I'm Not Sleepy.
Nordic Ashes: Survivors of Ragnarok, is a challenging Norse inspired roguelite-survivor game, where you’ll have to survive hordes of creatures that come your way.
- 7
Be My Horde
Single-player alternative to I'm Not Sleepy — playable solo, no multiplayer required. Shares Action and Indie with I'm Not Sleepy.
Be My Horde is a roguelite survivor where your minions fight for you. Become a formidable necromancer and turn your enemies into a resource! Raise fallen foes, build massive undead hordes, enhance your skills with devoured souls, and conquer the world – you’re the villain in this story.
- 8
Seed of Heroes
Single-player alternative to I'm Not Sleepy — playable solo, no multiplayer required. Shares Action and Indie with I'm Not Sleepy.
Journey through the realms with your heroes party. Defeat hordes of enemies in a bullet heaven and reach Valhalla where you belong.
- 9
Simple Sky
Single-player alternative to I'm Not Sleepy — playable solo, no multiplayer required. Shares Action and Indie with I'm Not Sleepy.
Fly and shoot your way past hordes of alien oddities, mining planets and upgrading your arsenal to contend with the biggest threats the universe has to offer. Overcome these challenges by mastering the unique choices offered on each run, and transform from a struggling survivor into an apex warship!