In The Day the Martians came " The View from Mars Hill " .
We were planning to escape the earth's gravity; Martians could do the same, with their planet.
Martians turn up, vaporize everything in sight, get defeated, Earth wins.
Army men, Little Bo Peep and the Martians are also available.
Lego Soccer Mania is a sports game where you can play different-themed teams like pirates and Martians.