Some good games featuring Phineas and Ferb include ﾓPhineas and Ferb and the Evil Cookie Monsterﾔ and ﾓTowerinator.ﾔ Both games are free to play online and require no additional software to install or download.
In ﾓPhineas and Ferb and the Evil Cookie Monster,ﾔ someone has been stealing Isabella's cookies. The player helps Phineas and Ferb eliminate the cookie monster and keep Isabella's cookies safe. A player plays the game completely by clicking a computer mouse. The player can click to walk from screen to screen or to interact with items. At times, the game requires problem-solving skills for the player figure out how to move on to the next area.