Best for: 1 v 1 or 2 v 2 matches. Players who like to dial up the pressure early and often. Folks who like to get in each other's heads. How to play: Hammer is about as simple as it gets.

A college student in London, Ont. has attempted to break the record for building the world's tiniest arcade machine, with a replica of a classic game that fits in the palm of her hand.