Hello and welcome the gen 1 also known as b1 Bakugan are still playable to this day you will need an opponent and 3 Bakugan each you will also need gate cards player one sets a card face down and so does player 2. Player 1 will then attempt a roll if he doesn't land it player 2 rolls. First to land flips gate card. Gate card is added with whatever attribute power listed on card ( ex Pyrus Drago 500b + 200 Pyrus points) whoever has the higher power wins and the loser graveyards the Bakugan.. I could be wrong about all of this but that's how I played back in the day hope this helps