KOMBAT KANGAROO! How to play (updated version)

About Kombat Kangaroo!, from BoardGameGeek:

What is Kombat Kangaroo!? It's a fun card game for 3-5 players where your kangaroos attack other kangaroos with peas! The aim is to be the last Kard Kombater still hopping. During the game you place Kangaroo cards into Kard Kombat, with both attack and defence values. Each Kard has a unique kangaroo design which is personally created by the game creator.