There's a bug in the last part, if you manage to go over the wall just before coming down from a sweet impact, you'll still pass through even if you don't have enough speed or the strength upgrade at the neccesary level. Anyways, it's pure luck if you manage to pull it off xD
 "Burrito Bison"){kind=icon}
 "The Line Game: Orange Edition"){kind=icon}
 "Super Stacker 2"){kind=icon}