Player 1 is the darker bird, player 2 is the lighter bird. Press the up arrow(for player1) and the w key (for player2) to move up. Press the down arrow (for player1) and the "s" key (for player2) to move down. Don't touch the "tubes"(the green for player 1 and the light green for player2), or else you will go to the beginning!. Reach the finish line! The farther you go, the faster! All levels are possible!!!(the last one is super hard)