If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
RoketDude – Deep Space Explorer Extraordinaire has just run into serious trouble finding himself trapped in a massive asteroid field… Desperately trying to escape the deadly rocks RoketDude gets hit head-on by a rather large asteroid and loses control. Abandoning his ship just before it smashes into another asteroid, RoketDude straps on his YR-36 Yalium-Fueled RoketPak Spacesuit and jumps out of the air-lock…
Use the mouse for clicking the blue menu buttons, and using the options widgets.
Press the X key to activate the jets on the RoketPak, and to toggle from idle to moving states.
Press left or right arrow keys to make RoketDude steer in that direction.