If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Bubbles, Guinea Pigs, Snakes, and Japanese Pop! The Guinea Pigs return to rescue the animals from Tokyo Zoo, and to defeat the Zoowrangler. Rescue on 50 levels, 4 boss fights, unlock downloadables, and play the minigame while swinging guinea pigs from the mouths of snakes! Have Fun!