Two teams have their flag at a base at each end of a field, with respawns a little way behind them. The object is to capture the enemy flag and carry it to your own base. Any live player can interact with with either flag: if hit while carrying it, plant it on the spot. Add more flags to each team for more chaos.
Team split: 1:1
Victory condition: first team to capture the opposing teams flag and return it to their base wins