I did like that you can use the cheat codes available to unlock power weapons and big head mode. (andymerrill.com)
Speaking of online the game brings back the head - to - head modes from the first game, and once again they are only available through local WiFi. (ztgd.com)
The handful of additional abilities, such as being able to turn grabbed objects into bombs when in head mode are either too niche or not powerful enough to bother learning. (thesixthaxis.com)