A Simple Platformer Engine

Here's a simple engine I made for platformer games!

Controls:

Use A & D to move.
Use W to jump.

Tips:

Go on the spring for a jump boost.
Jump on the enemy to kill it.
Avoid the saw & the enemy's laser attack!

CREDITS: 

All art & code by me. Sound effects from
YouTube. 

(Do not steal this project's art or code.)

Thanks! :)

-oscar_robinson