It was challenging to have so few mechanics and make them end up as creative elements of fun. (gamesauce.biz)
Honestly, there are very few mechanics in gaming I enjoy as much as the nemesis system; a system that creates new increasingly harder enemies for you to overcome that adapt to the way you play. (the-arcade.ie)
Bafflingly for a game built around co-operative play there were very few mechanics that took advantage of having a second player. (wolfsgamingblog.com)