As a 4chan community server, there aren't many rules. You are not allowed to.
Multi client(sometimes referred to as Multiboxing). This mean, you can only be controlling one character at any time. This ban includes using things such as Virtual Machines, side-by-side computers and remote accessing another computer
Modify the game's files in a way to gain advantages over players. This includes all forms of sprite edits for players, monsters and item
Exploit bugs in the game. If you find something that can be exploited, report it instead!