Agent P's Hideout - Spy Simulation is a online game where the player must destroy Doofenshmirtz holograms before the strike counter gets to three. The game is also on the Phineas and Ferb app for the iPhone and iPod Touch.
Rules and info
If clicked on a Doofenshmirtz hologram, it will go away, but if it is missed, the player gets a strike. The player also gets a strike if they hit a Monogram hologram. There are also point and life coins that appear at certain points of the game. If the player wins the game, a video will show up, and then the player receives a prize (such as a messenger icon).