Saving a level - Once you have created a level and completed it yourself, the text box at the bottom of the screen will display the level data! 

Loading a level - Copy and paste level data into the text box at the bottom of the screen and click the Load button beside it!

Post your best levels for other people to try out. Ill be looking out for some nice designs to add into the game! :D

Here are some examples 

1. Pain -  

{"c2tilemap":true,"width":15,"height":15,"data":"1,0,2x1,3x0,2x1,2x0,1,2x0,2x1,5x-1,2x0,6x-1,2x1,5x-1,0,1,6x-1,1,0,5x-1,0,1,5,5x-1,2x0,5x-1,2x0,1,2x0,3x-1,2x0,5x-1,1,5x0,2x-1,2x0,8x-1,2x2,4hd,0,2vd,1,0,8x-1,2x0,8hd,2x-1,2x0,6x-1,2hd,0,1,0,8hd,0,2vd,2x1,3x-1,2hv,2x-1,4hv,0,1,0,8hd,2x-1,2x1,4x0,8hd,2x0,1,2x0,8hd,0,2vd,0,1,2x0,1,2x-1,0,2x1,2x0,8hd,2x-1,6x0,8hd,5x0,8hd,0,2vd,2x0,3,2x-1,2,2hd,3x0,2x1,3x-1,2x1,0,1,4x0,2x1,4x0,2x1"}

2. Hi+Ty -  

{"c2tilemap":true,"width":15,"height":15,"data":"1,0,2x1,3x0,2x1,2x0,1,2x0,2x1,3x-1,3,9x-1,2x1,3x-1,0,8hd,0,2vd,2hd,0,4x-1,1,0,3x-1,3x0,2vd,2hd,0,4x-1,2x0,3x-1,0,8hd,0,2vd,2hd,0,4x-1,2x0,5x-1,2,2hv,-1,2,4x-1,2x0,5x-1,4hv,0,6x-1,1,0,5x-1,3x0,2vd,4x-1,2x0,5x-1,4hd,0,4,5x-1,2x1,3x-1,3x2hv,2,2hv,-1,5,3x-1,2x1,3x-1,3x0,8hd,0,8hd,0,3x-1,0,1,3x-1,4hd,0,4,-1,3x0,3x-1,2x0,3x-1,2hd,0,2vd,-1,4hd,0,4,3x-1,2x0,13x-1,2x1,0,1,4x0,2x1,4x0,2x1"}

{"c2tilemap":true,"width":15,"height":15,"data":"1,0,2x1,3x0,2x1,2x0,1,2x0,2x1,6x-1,3,6x-1,2x1,5,4x-1,0,2x-1,1,4x-1,1,0,13x-1,3x0,-1,8,2x-1,1,3x-1,1,2x-1,6,2x0,6,12x-1,2x0,2x-1,1,7x-1,1,2x-1,1,0,13x-1,2x0,3x-1,7,1,3x-1,1,7,3x-1,0,1,13x-1,2x1,13x-1,0,1,13x-1,2x0,13x-1,2x0,13x-1,2x1,0,1,10x0,2x1"}

{"c2tilemap":true,"width":15,"height":15,"data":"-1,0,2x1,3x0,2x1,2x0,1,2x0,2x1,13x-1,2x1,5,5x-1,6x0,-1,1,5x0,9x-1,2x0,4,3x2,9x-1,3x0,4x-1,6x0,2x-1,2x0,2,4x-1,2,-1,2x8,4x-1,1,0,2x-1,4x0,-1,2x0,4x-1,5x0,10x-1,0,1,4,2,0,2x-1,5x0,3x-1,2x1,2x-1,0,9x-1,2x0,1,3,6x-1,3x0,2x-1,5x0,9x-1,13x0,1,3x0,2x1,0,1,10x0,2x1"}

"Masochasm"

{"c2tilemap":true,"width":15,"height":15,"data":"3x2,1,2,1,0,1,0,1,0,1,0,1,0,2hv,4x-1,7,2hd,0,4,4x-1,4hd,1,0,2vd,-1,7,3x-1,6,4x-1,2hv,2hd,0,4,-1,2x2hv,7x-1,2hd,1,0,2x1,8hd,1,4hd,2vd,-1,2hd,0,4vd,2x-1,7,2,5,0,4,2hd,-1,4hv,2vd,-1,2hd,1,0,2x-1,2hd,1,0,1,0,8hd,7,0,2vd,-1,2hd,0,7,2x-1,2hv,2x2,0,1,6,-1,2hd,8hd,0,2vd,3x-1,4hv,0,4vd,2hv,1,0,8hd,2vd,-1,2hd,1,2vd,-1,6,2hd,0,1,0,1,0,1,0,1,0,8hd,0,2vd,2hd,5x-1,2,1,0,1,2x0,4,2x-1,2hd,1,0,4hv,3x-1,0,1,2x0,4,2hd,0,4hd,8hd,4,2x2,0,8hd,4vd,1,0,1,4,2hd,2x0,3x-1,2hv,-1,2,-1,2,0,1,3,2hd,0,2x8,2hv,6,2hv,8,4x2hv,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1,0"}

Kinda went off the deep end with this, but here it is. Good luck.

Bonus points if you hit the softlock in the upper-left corner.

{"c2tilemap":true,"width":15,"height":15,"data":"1,0,2x1,3x0,1,5x-1,0,2x1,11x-1,5,-1,2x1,7x-1,0,-1,0,-1,0,-1,1,0,3x-1,2hv,-1,1,7x-1,2x0,2x-1,2x0,1,4,2x-1,2hv,-1,2hv,2x-1,2x0,-1,0,4,5x-1,0,-1,0,2x-1,2x0,4x-1,2hv,8x-1,1,0,1,2x0,1,3x0,6x-1,2x0,7x2,-1,0,4x-1,0,1,10x-1,0,-1,0,2x1,9x-1,1,3x-1,0,1,3x-1,3x0,1,3x0,3x-1,2x0,3x-1,1,6x2,3x-1,2x0,3,-1,2x1,3x-1,2hv,5x-1,2x1,0,1,10x0,2x1"}