Just plain enjoyable. I have a special fondness for included launch titles, and this holds up to many of them. The fairest complaint is that it's gimmick driven, and the difficulty spikes and ebbs based on how much they're asking you to lean on them. I do wish there had been just a bit more to the game, but again, as a free title it's not understuffed. The homages and references to past Playstation history is a wonderful touch throughout.