This was a quick and fun book to read. The whole enemies turned lovers is definitely one of my top favorites, and I really enjoyed the whole rivalry between the Chesnut's and Prince's but after reading a while, I found myself not understanding why they hated each other in the present. Of course, reading the chapters in both Elena and Oliver's perspective was interesting, especially the way they both started liking the other person and the way they learned the true identity of their game friend was fun and well written. 
 The ending felt rushed, everything happened too quickly, all of a sudden enemies were making up and becoming friends again, the winner of the game was announced, resolutions were too easy and simple, and even the timeskip felt like it could have been expanded on but I admit it had a nice fitting