This is a list of Monster collecting games that came out before Pokémon ^-^
Digital Devil Story: Megami Tensei
Digital Devil Story: Megami Tensei II
Shin Megami Tensei If...
Megami Tensei Gaiden: Last Bible (US: Revelations: The Demon Slayer)
Megami Tensei Gaiden: Last Bible II
Last Bible III
Another Bible
Megami Tensei Gaiden: Last Bible Special
Majin Tensei
Majin Tensei II: Spiral Nemesis
Shin Megami Tensei: Devil Summoner
Revelations: Persona
Dragon Quest V: Hand of the Heavenly Bride
Dragon Quest VI: Realms of Revelation
Robotrek
Digital Devil Story: Megami Tensei
Digital Devil Story: Megami Tensei II
Shin Megami Tensei If...
Megami Tensei Gaiden: Last Bible (US: Revelations: The Demon Slayer)
Megami Tensei Gaiden: Last Bible II
Last Bible III
Another Bible
Megami Tensei Gaiden: Last Bible Special
Majin Tensei
Majin Tensei II: Spiral Nemesis
Shin Megami Tensei: Devil Summoner
Revelations: Persona
Dragon Quest V: Hand of the Heavenly Bride
Dragon Quest VI: Realms of Revelation
Robotrek