Hold down the left mouse button to make your shark swim higher and release to swim lower to avoid the cavern walls.
fire : na
jump : left_mouse
movement : na
Add this game to your site.
Copy and paste this html code to your web page.
<a href="http://www.redribera.es/games/play-lost-shark"><img src="http://games.mochiads.com/c/g/lost-shark/_thumb_100x100.png" width="120" height="90" border="0" ><br/>Lost Shark<br/>Click to play</a>