Use arrow keys to move.
Spacebar to jump.
Collect crystals to increase score.
Press P to pause the game.
Note: The speed, double jump and jump rate of the player is customizable along with many others.
Abstract Runner Jumper Kit is a 2D platform full game source to create your own platform games easy. Comes with ready to use prefabs such as enemies, platforms, crystal scores, locked doors, animated player which can jump, kill enemies, gets killed and many more. You can download the full game source from here. Have fun!