Life is 40k!
Chess is 40k without dice!
Fantasy is 40k with movement trays!
Warmachine is 40k with less dudes and more rules!
Gothic is 40k in space!
Mordheim is 40k with less people and square bases!
Checkers is like a 40k demo!
Jobs usually have something to do with building (tangible and intagibly), and you have to build models and lists in 40k!
War is 40k without dice and uneven points!
Life is 40k where god rolls the dice!