Steam Deck games: A (page 4)
- AwariaPlayable
- Away From HomePlayable
- Away From LifePlayable
- AWAY: Journey to the UnexpectedVerified
- AwesomenautsPlayable
- Awita: Journey of HopeVerified
- AwkwardPlayable
- Awkward Dimensions ReduxPlayable
- Axe CopVerified
- AxecutionersVerified
- Axes and AcresPlayable
- Axial Disc 2Verified
- Axial DriftPlayable
- AxiomPlayable
- Axiom of Maria: ProloguePlayable
- Axiom VergeVerified
- Axiom Verge 2Verified
- Axis & Allies 1942 OnlinePlayable
- Axis Football 2024Playable
- Axis Football 2026Playable
- Axom: ConquestPlayable
- Axon TD: Uprising - Tower DefensePlayable
- Ayasa: Shadows of SilenceVerified
- Azada: Ancient MagicPlayable
- Azooma EscapeVerified
- AzoovePlayable
- Aztech Forgotten GodsVerified
- Aztecs: The Last SunPlayable
- Azur Lane CrosswavePlayable
- AZURAPlayable
- Azure OrphanagePlayable
- Azure ReflectionsPlayable
- Azure Saga: PathfinderVerified
- Azure Sky ProjectPlayable
- Azure Striker GunvoltVerified
- Azure Striker Gunvolt 2Playable
- Azure Striker GUNVOLT 3Verified
- Azure Striker Gunvolt Trilogy EnhancedVerified
- AクラスVerified