Four to Five rounds of interviews.
One round was based on puzzles and guesstimates.
Other rounds were based on game design and creativity, ideas for new features etc.
Playing a couple of games in detail will help.
J'ai postulé via un recruteur. Le processus a pris 1 jour. J'ai passé un entretien chez Zynga (Bengaluru) en avr. 2014
Entretien
The interview process was a very good one with good PMs interviewing me. There were 4 rounds and all of them went smoothly. First two rounds were technical in nature, with the last two rounds being cultural fit rounds.
Questions d'entretien [1]
Question 1
They asked me to solve a few puzzles and my knowledge about social games