A variant of Twenty20. Each person has 2 overs and unlimited wickets to slog as many as they can.
Onto a roof without losing it: 12
Onto a roof losing it: 2 and out
Over a fence: Out
Car windscreen when people out: 10 (Out if it smashes)
No more than 3 bouncers in an innings
Shot over your head and over roof (tennis style): 10
Apart from that normal fours and sixes