Gamemode 4 modules are given a lag level score between 1 and 5 to indicate how much of an impact the module with have on your game speed and performance. This is shown on every module page.

Lag Level Description
1/5 No noticeable lag unless on a bad computer.
2/5 Occasional lag-spikes, shouldn’t affect the game too much.
3/5 Moderate lag when used with other modules.
4/5 Noticeable lag, may effect gameplay.
5/5 Majorly slows down game and should be used in worlds with caution.