[1] This is in direct contrast to Eurogames, which involve complex rules and emphasize strategy over randomness.
The term was originally coined to describe relatively simple wargames that did not require extraordinary focus to play.
[2] Beer and pretzels games vary greatly in theme and gameplay, but have a set of common characteristics.
Rules are simple and generally explainable in just a few minutes, turns pass quickly and humor is common.
They need to have enough depth to encourage repeat play without a stiff learning curve, and need to be enjoyable in quick sessions.