Pet Sim X Exclusive Value List. It was added with the release version of the game, making it one of the first ever exclusive pets. The valid and active codes are:
The hippomelon is an exclusive pet that was released with april fools 2022 update. Make sure to subscribe so you won't miss any o. This update brings a ton of new cool features to psx such as gifts for playing long & new skins for your hoverboard!