It's possible to find a secret flower in a pit, which when collected, gives E.T. an extra life. However, collecting 7 Recess Pieces, giving them to Elliot, collecting all three phone pieces, then finally locating and reviving the flower will cause it to transform into Yars from Yar's Revenge who will then fly away. Completing the game and then completing this process again will cause the flower to transform into Indiana Jones from Indiana Jones and the Raiders of the Lost Ark. Completing the game for a third time and completing the process will cause the initials of Howard Scott Warshaw, who programmed all 3 of the games, to appear at the bottom of the screen.