Red Controls: 'W' 'A' 'D' to move. 'S' to shoot. 'R' to use shield. Blue Controls: Use the arrows to move. Down arrow to shoot laser. 'M' to use shield. If the players arms start to lag behind, please write a comment about when it happened or how. To fix the lag, stop the game and drag the player around (you have to be in edit mode to drag them).
This was originally made by @Phinatt.