Monster Rancher 2 
PlayStation (PS1)
RPG - Trainer
 
THE BREEDING FRENZY CONTINUES!
Monster Rancher 2 can unleash hundreds of monsters from your common household CDs. That's right-you can actually use this game software to spawn unique monsters from any CD you own-music CDs, PC software CDs, or even other game CDs. EVERY CD YOU OWN CONTAINS A MONSTER that you can unleash into the world of the Monster Rancher 2, and then nurture and raise him (or her) to be the ultimate fighting machine.
* YOU'RE THE MASTER: Fully interact with your new pets
* Hundreds of new monsters with monstrous attitudes
* Unlock secret expeditions, monsters, and levels
* Release your Monster Rancher 1 monsters into the world of Monster Rancher 2