Here's the most played Steam Deck games of 2023

Platinum

• Armored Core 6: Fires of Rubicon
• The Witcher 3: Wild Hunt
• Starfield
• Grand Theft Auto 5
• Baldur's Gate 3
• Half-Life 1
• Elden Ring
• Vampire Survivors
• Resident Evil 4
• Cyberpunk 2077
• Hogwarts Legacy
• Dave the Diver

Gold

• Risk of Rain Returns
• Street Fighter 6
• Halls of Torment
• Counter Strike 2
• Red Dead Redemption 2
• Brotato
• DREDGE
• Sea of Stars
• Diablo 4
• Stardew Valley
• Hades
• Dead Cells

Silver

• The Binding of Isaac: Rebirth
• Remnant 2
• Coral Island
• Mega Man Battle Network Legacy Collection Volume 1
• Monster Hunter: World
• Cult of the Lamb
• NBA 2K23
• HoloCure - Save the Fans!
• The Elder Scrolls V: Skyrim Special Edition
• The Murder of Sonic the Hedgehog
• Fallout 4
• Marvel's Midnight Suns
• Octopath Traveler 2
• Overwatch 2
• God of War
• Star Wars Jedi: Fallen Order
• The Last of Us Part 1
• Lethal Company
• Hi-Fi Rush
• Star Ocean The Second Story R
• Slay the Spire
• Sons of the Forest
• Marvel's Spider-Man Remastered
• Horizon Zero Dawn Complete Edition
• Persona 5 Royal
• No Man's Sky

Mega Man Battle Network Legacy Collection Volume 1

Well that's kinda fitting I suppose, from one portable to another.