- Attack of the Earthlings v1.0.6
- ATTACK OF THE EVIL POOP
- Attack of the Labyrinth
- Attack Of The Retro Bots
- Attack on Titan 2 (ALL DLC)
- Attack on Titan v1.03 (Inclu ALL DLC)
- Attack on Toys
- Attentat 1942
- Attract Fragments 5
- Attractio
- Attrition: Nuclear Domination
- ATV Drift & Tricks
- Audica v1.0
- AUDICA: Rhythm Shooter
- Audio Arena
- Audio Drive Neon
- Audio Trip
- AudioBeats
- Audioshield
- AudioSurf
- Audiosurf 2
- Auditorium v1.5
- Aura of Worlds
- Aura: Fate of the Ages v1.04
- Auralux
- Auralux: Constellations
- Aurion: Legacy of the Kori-Odan
- Auro: A Monster-Bumping Adventure
- Aurora
- Aurora – Hidden Colors
- Aurora Dusk: Steam Age v1.4.6
- Aurora Nights
- Aurora: A Child’s Journey
- AuroraBound Deluxe
- AuroraRL v0.5.5
- Austen Translation
- Australian Football Coach 2020
- Auto Age: Standoff
- Auto Dealership Tycoon v2.0.1
- Auto Factory
- Autobahn Police Simulator
- Autobahn Police Simulator 2 v1.0.26
- Autocraft v1.01
- AUTOCROSS MADNESS
- Automachef v1.0.3
- Automata Empire
- Automation Empire
- Automation The Car Company Tycoon (B191120)
- Automation* of Sorts
- Automaton
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