It takes both of us

Puzzle game in which you play two little robots. One cant leave the rail this other one is stuck on the ground. You need to find the combination they need to do to continue. Has a two player mode in which one player takes the mouse the other one the keyboard. 2 Players (The way it was designed to be played) Player 1: W,A,DPlayer 2: Mouse 1 Player Move W,A,DSwitch mode E (Follow, Stay, Follow mouse)