Square Enix is the developer and publisher of many games with Steam trading cards, including:
- BALAN WONDERWORLD
- Deus Ex: Breach (developed by Eidos Montreal)
- Deus Ex: Human Revolution - Director's Cut (developed by Eidos Montreal)
- Deus Ex: Mankind Divided (developed by Eidos Montreal)
- Deus Ex: The Fall
- FINAL FANTASY III
- FINAL FANTASY IV (co-developed with DotEmu SAS.)
- FINAL FANTASY IV: THE AFTER YEARS
- FINAL FANTASY V
- FINAL FANTASY VI
- FINAL FANTASY IX
- FINAL FANTASY X/X-2 HD Remaster
- FINAL FANTASY XIII
- FINAL FANTASY TYPE-0 HD
- Goetia (developed by Sushee)
- Heavenstrike Rivals (developed by Mediatonic)
- HITMAN (developed by Io-Interactive)
- Hitman: Absolution (developed by Io-Interactive)
- Just Cause 3 (developed by Avalanche Studios)
- Just Cause 4 (developed by Avalanche Studios)
- Lara Croft and the Temple of Osiris (developed by Crystal Dynamics)
- Life Is Strange (developed by DONTNOD ENTERTAINMENT)
- Life Is Strange 2 (developed by DONTNOD ENTERTAINMENT)
- Life Is Strange: Before The Storm (published by Deck Nine)
- LIGHTNING RETURNS: FINAL FANTASY XIII
- Million Arthur: Arcana Blood (co-developed with Team ARCANA)
- Murdered: Soul Suspect (developed by Airtight Games)
- Nosgoth (developed by Psyonix)
- PowerWash Simulator (developed by FuturLab
- Rise of the Tomb Raider (developed by Crystal Dynamics.)
- Sleeping Dogs (developed by United Front Games)
- Thief (developed by Eidos Montreal)
- Tomb Raider (developed by Crystal Dynamics)
- WORLD OF FINAL FANTASY