There are quite a few complaints about annoying players drawing inappropriate things, but I've actually been fairly surprised at the maturity of people playing this game. Keep it up guys, and don't let one or two idiots ruin it for you. (But please patch in a "kick player" feature if possible)
Dueler: http://www.kongregate.com/games/inXile_Ent/fantastic-contraption-prius-edition?design=28330
And RainTail: The original game isn't focused around the Prius at all. It's actually a spectacular game. Fantasticcontraption.com
 "Coma"){kind=icon}
 "Take a Walk"){kind=icon}
 "Post it Draw it"){kind=icon}
 "Pwong 2"){kind=icon}
 "Splitter 2"){kind=icon}
 "The Company of Myself"){kind=icon}
 "Fantastic Contraption Prius Edition"){kind=icon}