75%Strong matchNightmare: The Lunatic
87%21287% positive reviews, Very Positive across 212 reviews·Action Roguelike · Hack and Slash
—In this fast-paced arena roguelike, you're a clown, a baker, a robot, a ballerina... or maybe you're just asleep! Battle hordes of bizarre baddies, collect curious items, and select powerful upgrades to enhance the unique abilities of your growing roster of playable characters.
Live the dream! Dash, hack, slash, and yo-yo your way through this deceptively charming, devilishly challenging roguelike bullet-hell. Carve through baddies and bosses with dozens of unique abilities. Collect and stack items to augment your stats and enhance your skills, and unlock an excessive cast of playable characters. In this game, you can:

Featuring runs shorter than 30 minutes, enjoy wild builds and zero-to-hero roguelike catharsis in a fraction of the time. Light meta-progression ensures you will find the game beatable from your very first run.
Collect and stack dozens of items, from beehives and balloons, to scarecrows and swords. Choose upgrades to modify your abilities and stats as you craft outrageously broken builds.

From an angler with a fishing hook to a clown with juggling clubs, unlock and master more than 20 playable characters, each with different stats and abilities. If you enjoy discovering new ways to play, there's plenty to wrap your mind around here.

Progress through dozens of escalating difficulty levels, choosing the modifiers that best suit your playstyle.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
All matches
Finding similar games…
Nightmare: The LunaticShares Action Roguelike · 2D · Fantasy , adds Hack and Slash87% · 212 positive reviews75%Strong match—
Doomsday HuntersShares Action Roguelike · Bullet Hell , adds Twin Stick Shooter90% · 686 positive reviews71%Strong match—
Net.Attack() - Code or Die!Shares Action Roguelike · Bullet Hell · 2D , adds Programming79% · 270 positive reviews68%Strong match—
Blazing BeaksShares Action Roguelike · Bullet Hell · 2D , adds Pixel Graphics84% · 2k positive reviews71%Strong match—
RAM: Random Access MayhemShares Action Roguelike · Bullet Hell · 2D , adds PvE98% · 667 positive reviews68%Strong match—
DreamscaperShares Action Roguelike · Top-Down · Fantasy , adds Roguelite89% · 2k positive reviews72%Strong match—All matches
The best games like I'm Not Sleepy are Nightmare: The Lunatic, Doomsday Hunters, Net.Attack() - Code or Die!, Blazing Beaks, and RAM: Random Access Mayhem.
Match on: filter matches for I'm Not Sleepy by tag
Filters all matches
65%+Strong matches