Hello all! The jam is now over, so I updated the game! 

Added:

-Levels now display a star on the HUD when you beat them.  (Levels beaten before the update will not show the star.)

-New level mechanic! The Key! Use it.

Changed:

-Rock sprite is slightly updated

-Spike hitbox is be slightly updated

-Player climbing stamina mechanics have been changed to be consistent 

-Pausing now. stops the player from moving.

-Added some sounds to things that were missing sounds.

Fixed:

-Fixed a crash related to pausing while the transition effect is playing

-Fixed a crash related to pressing space or enter. 

-Fixed a glitch that allowed you to create impossible levels.