GEMMON and the Ultra Championship

GEMMON and the Ultra Championship is a solo card game - you’ll be catching, training and using GEMMON to (try and) defeat the current regional champion. Before you can do that, you must defeat other challengers first, climbing your way up on the ladder! To catch GEMMON and defeat challengers you’ll be fighting against them in GEMMON BATTLES. These are 1-on-1 fights between GEMMON, where their trainers take turns to command their GEMMON to use one of their 4 moves. Every game you'll train a different team with different moves, so try out all kinds of different combinations on your way to become a GEMMON master!

—description from the publisher