Instructions: [WASD] - Move [Arrow keys] - Rotate camera 

[Space] - Jump , hold space for larger jutmp

[P] - Pause/unpause game

Collect all power crystals(9) to beat the game.

Replay levels in time trial to get time crystals.

Tips if you're stuck:

Level 2: Try jumping immediately after landing

Level 3: Go far away from boss

Level 6: Keep jumping

Level 9 : Predict boss movement