You know what to do in this game, Find the BUTTON. This can be 1 player game or 2 players game, but if any of player clicks the incorrect button, it may kill all player, and they'll spawn at their checkpoint. If any player does find the correct button, they'll then be teleported to the next level. It is not really in order of getting harder or not, so you'll have to play to find it out!
Select version for changelog:
Changelog
Setting spawnpoint to correct place
Last changelog:
Button position added at the top of the roof of where you spawn
Easier to complete lvl 1
