small teal circle with a face jumps onto numerous platforms with the goal of entering portals all while avoiding dangerous lava that kills him and making sure he does not fall into a void down below, but he does anyway while music is blasted into your ears. Arrow keys or wasd to move; up arrow to jump. Reach the portal to move on to the next level.
All levels are possible, tested them myself. Firsts 0 death achievers: Me GWTNess hedgehog1044 Song: https://www.youtube.com/watch?v=2924-Nu7cn8 And I think you know the second song.