Single-player games like AISZplus
Below are 10 single-player Steam games similar to AISZplus, 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 AISZplus page.
Ranked picks
- 1
X-Morph: Defense
Single-player alternative to AISZplus — playable solo, no multiplayer required. Shares Action and Indie with AISZplus.
Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.
- 2
Deep Eclipse: New Space Odyssey
Single-player alternative to AISZplus — playable solo, no multiplayer required. Shares Action and Indie with AISZplus.
Deep Eclipse: New Space Odyssey is the ultimate space thriller in the best tradition of the genre. You're the pilot of a space fighter, accidentally catapulted into a parallel universe populated by hostile alien creatures; and they're not happy to see you! To get out of this hell, do your best, to destroy hordes of enemies.
- 3
Solstice Chronicles: MIA
Single-player alternative to AISZplus — playable solo, no multiplayer required. Shares Action with AISZplus.
In this 2-player twin-stick shooter, use a friendly drone for a game-changing abilities. Survive waves, upgrade, and uncover the mystery in this cooperative, action-packed experience.
- 4
Armed to the Gears
Single-player alternative to AISZplus — playable solo, no multiplayer required. Shares Action and Indie with AISZplus.
Control a fully armed Mech and fight through cyberpunk cities, military bases and industrial ruins. Capture and defend territories, build turrets and structures, and wage war against powerful enemies!
- 5
Nuclear Throne
Single-player alternative to AISZplus — playable solo, no multiplayer required. Shares Action and Indie with AISZplus.
Nuclear Throne is a post-apocalyptic roguelike-like top-down shooter. Not 'the final hope of humanity' post-apocalyptic, but 'humanity is extinct and mutants and monsters now roam the world' post-apocalyptic. Can you reach the Nuclear Throne?
- 6
Door Kickers
Single-player alternative to AISZplus — playable solo, no multiplayer required. Shares Action and Indie with AISZplus.
Door Kickers is an innovative realtime strategy game that puts you in charge of a SWAT team and lets you command them during a tactical intervention.
- 7
RUINER
Single-player alternative to AISZplus — playable solo, no multiplayer required. Shares Action and Indie with AISZplus.
RUINER is a brutal action shooter set in the year 2091 in the cyber metropolis Rengkok. A wired psychopath lashes out against a corrupt system to uncover the truth and retrieve his kidnapped brother under the guidance of a secretive hacker friend.
- 8
Police Stories
Single-player alternative to AISZplus — playable solo, no multiplayer required. Shares Action and Indie with AISZplus.
A fresh take on top-down shooters with an emphasis on tactics that forces you to make split second decisions. Neutralize criminals, rescue civilians and defuse bombs in Single Player mode or Co-op. And remember - shooting first is not an option!
- 9
ADEN
Single-player alternative to AISZplus — playable solo, no multiplayer required. Shares Action with AISZplus.
Dance, dance, and dance some more! A kawaii side-scrolling dance battle for the new age! Control the mysterious girl Toaka and save the world from destruction!
- 10
YumeCore
Single-player alternative to AISZplus — playable solo, no multiplayer required. Shares Action with AISZplus.
"YumeCore" is a new type of game combining side-scrolling beat-’em-up action with adventure-style investigation that puts the “aii” in “kawaii.” Fight your way through the waking dreams of the sickly girl Soboko to escape the hospital.