Extensive on-line help and information and clients are put into observer mode when they connect to the server. Servers can spawn X bots, while leaving room for Y clients to connect and bots will be removed automatically if necessary. The tractor beam is off-hand, so you can use it while firing your current weapon. Maps can be cycled in order or randomly, with the option of forcing all maps to be used in random mode. Player ID in any mode.
Clients can reduce the damage they do if they are an LPB, for example.
It is possible to put a 4-line custom message into the file niqmotd.txt. The number of clients in the game is shown each time a client enters the game or disconnects. The tougher the monster, the more health you get for disposing of it. All clients in NIQ always have the same weapon as everyone else and clients can differ only in terms of how much health, ammo, and skill each has. While regular Quake II and many of its modifications are very entertaining, these games tend to emphasize knowing the current map inside out in order to do well.