Use the arrow keys to move around. WASD are Not used the glitch in level 1 described as 'the player sticks to the bottom of platforms' are not a bug. Its a simple way to get through the level quicker. the lava in level 6 isn't a bug either.
NO CREDITS. uhuh, No help from anyone else. I decided to make a collision script so simple and so short, yet works well. Using sin operators to shorten the scripts and help people understand how to make a platformer without going through days of coding.