note: best in a large world for the most space and potential items/chests, but small can be used as a challenge mode.
- take the number of players you have. divide your map into evenly spaced "chunks", and put a 5-block-wide set of lihzahrd bricks between these chunks. (can be done manually but can also be done with a map editor).
- have one player spawn in each chunk.
- then just play the game as you would normally. boss fights will require some amount of cooperation if you try to tag team it, esp. wall of flesh, destroyer, etc
--- NOTE: under normal rules, wall of flesh would require each player to set a bed down in their own chunk to prevent any tongue shenanigans
optional rule edits/restrictions
- lategame: start having fun with teleporters, OR put an extra limitation on it by banning player movement through teleporters
- have the brick walls stop just above hell, or below a certain point in the sky-- forces players to work to get to other areas, but also gives them more freedom to cooperate on bosses
- then of course mods