Players can unlock an alternate ending by finding all fourteen orbs hidden in the game. After doing this, return to the underground bunker in the cornfield and approach the lever next to the vault door on the right. Grab the lever and input the following command: Up, Up, Right, Left, Right, Right, Right Up, Up, Up, Right, Left, Left, Left This will cause the vault door to open. Continue through to see the game's alternate ending.