If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
Fitted is a skill game in which you try to move your resizable spaceship through the levels without touching the walls. You can get upgrades for your ship when you collect the crystals.
Mouse - Guide the Ship.
W / Up Arrow Key - Increase the ship.
S / Down Arrow Key - Decrease the Ship.
A / Left Arrow Key - Slow Down.
D / Right Arrow Key - Speed Up.