While visual shaders are often client-sided, the game employs the entity Glitch as a form of "anti-cheat" to teleport or damage players who load rooms incorrectly or appear to be exploiting game physics.
There are three main ways players typically attempt to brighten their game: DOORS | FULL BRIGHT, FLASHLIGHT RANGE, REMOVE D...
Players often look for these "Full Bright" scripts or settings to gain a significant advantage during runs: While visual shaders are often client-sided, the game
The entity Screech specifically attacks in dark rooms; removing darkness can make it easier to spot and look at him before he bites. While visual shaders are often client-sided