I mentioned wifi because he actually moves smoother and faster on good wifi. Anyways, if the game is running smoothly with barely any frame drops, then you can use the slide move. When walking forward, hit the down arrow on the keyboard and he will start sliding and will go at a faster rate. Thanks!
i am just trying to give you feedback. you obviously put a lot of work into the game and there are many good elements. but the penguin is slow and slide does not make much of a difference, and the level layouts are not conducive to using slide. other people have said similar things. i hope it is helpful to let you know our experiences as the players. my wifi is high speed. best of luck.