Are there any cheats available for Marble Blast Platinum?

Press inside the"P" in MBP-logo to unlock levels

or type $qualifyalllevels=1;

yes, to skip a level you have to go to enable the level editor then go to the level you want to skip, press F11 then use the camera controls to move to the finish, hover above it then press Ctrl W or Apple W, apart from this, there are no cheats available.

There are cheat ill tell you the cheats i know

$testcheats=1; and setgamestate("end"); that all i hope you use these.