Space to jump on PC. Touch to jump on Mobile (Android, iPhone iPad Tablet etc.
I used this tutorial, if you want to make your own click the link below or copy and paste it. https://www.youtube.com/watch?v=GxQU_2Nw-gE This is the Final Version. (Although, there might be some minor updates.) Also if you see an exact copy of this game it is probably me because I have two accounts. (The other one is produmpro)
