If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Spacebar - Jump.
This game is pretty awesome! It takes us under the sea in 3D and we take on the persona of a Seahorse, all we have to do is collect the beautiful objects we come across to proceed to the next level, but be careful to avoid the obstacles along the way. I very nice shockwave game!