Single-player games like Hatters
Below are 11 single-player Steam games similar to Hatters, 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 Hatters page.
Ranked picks
- 1
Horde Beyond
Single-player alternative to Hatters — playable solo, no multiplayer required. Shares Action and RPG with Hatters.
Master full fast-paced tactical space combat with dynamic missions, coordinated enemy squadrons, and deep ship upgrades. Fight through hostile space in with battlefield hazards, adaptive enemy tactics, alone or in co-op or bots with up to 4 players.
- 2
FriendOS
Single-player alternative to Hatters — playable solo, no multiplayer required. Shares Action and Adventure with Hatters.
FriendOS is a 1-3 player action RPG where viruses must die! Strike and batter your opponents in Cartoon Sports Combat, and create the virtual animal avatar of your dreams. Hang out in lobbies with up to 12 friends and team up to protect the world of FriendOS from virus corruption.
- 3
Roguevive
Single-player alternative to Hatters — playable solo, no multiplayer required. Shares Action and Adventure with Hatters.
Roguevive is an roguelite survive bullet heaven. Survive against hordes of enemies getting ever stronger. Level up, unlock upgrades and new guns in this multiplayer action roguelite.
- 4
Wyldheart
Single-player alternative to Hatters — playable solo, no multiplayer required. Shares Action and Adventure with Hatters.
Embark on bite-sized campaigns in this co-op action RPG set in a rustic fantasy world. Start from nothing, and freely build your character as you investigate rumors, explore strange ruins, and survive the dangers threatening the fallen Kingdom of Caerwyn.
- 5
TouHou Koishi's Enchanted Woods
Single-player alternative to Hatters — playable solo, no multiplayer required. Shares Action and Adventure with Hatters.
「TouHou Koishi's Enchanted Woods」 is a Touhou fangame.This is a "reverse-construction" action rogue-lite.Koishi vs. Kokoro! But as the playable character, Koishi uses various enhancement cards to continuously strengthen Kokoro. Can she ultimately defeat the Kokoro she has built up herself?
- 6
DunHero
Single-player alternative to Hatters — playable solo, no multiplayer required. Shares Action and Adventure with Hatters.
DunHero is an Action Roguelike. Choose your class, level up and collect powerful items. Defeat bosses and free the world from evil in unique adventures. Play solo or with friends in up to 4-player co-op.
- 7
CounterAttack: Uprising
Single-player alternative to Hatters — playable solo, no multiplayer required. Shares Action and Adventure with Hatters.
CounterAttack: Uprising is a side scrolling space shooter (shmup). Team up or fight solo, 1 - 4 player local or up to 8 players online coop, unlock upgrades, use powerful ultimate abilities, enhance your ship the way you want, and save the Earth from annihilation.
- 8
Nienix: Cosmic Warfare
Single-player alternative to Hatters — playable solo, no multiplayer required. Shares Action and Adventure with Hatters.
Search for the legendary lost artifact Nienix through galaxies in conflict! An open world space action RPG adventure that can be played both alone and together!
- 9
Knockout Master
Single-player alternative to Hatters — playable solo, no multiplayer required. Shares Adventure with Hatters.
Knockout Master is a choice-driven adult Visual Novel that puts you in the role of a boxer, whose dream is to become the world heavyweight champion. The game is packed with sex, romance, drama, and a rich story.
- 10
Fizz Quiz
Single-player alternative to Hatters — playable solo, no multiplayer required.
FizzQuiz is a trivia game with over 100 topics and 10,000 questions. Play alone or with up to 10 friends in seven unique rounds, featuring questions in text, images, models, and audio formats. Test your knowledge, earn points, and defeat your friends. FizzQuiz – challenge your intellect!
- 11
Shh! This is a mystery game! But watch out for spoilers
Single-player alternative to Hatters — playable solo, no multiplayer required.
Reasoning... It's annoying.... I want to go home and play with Sara...❤ So please help me......