WASD to move left and right arrows to skip level all levels are possible
credit to @griffpatch for the cat still in beta 2018.12.22 beta 0.1.1 7levels 2018.12.24 beta 0.1.2 8levels now！ 2018.12.24 beta 0.1.3 add level show 2018.12.25 beta 0.1.4 9levels 2018.12.27 beta 0.1.5 10levels
