Everyone did. Developers he stole from stole it from someone else, the whole social game space was a clone war. But Zynga was consistently succesful in it.
Do you remember the tower-breaking game on Kongregate and iOS that Angry Birds cloned? Or Backyard Monsters that was the original Clash of Clans?
Do you remember the tower-breaking game on Kongregate and iOS that Angry Birds cloned? Or Backyard Monsters that was the original Clash of Clans?