Think of a video game as a set of rules written in code:
Streamers and YouTubers rely on modifiers to create entertaining content. "Challenge Runs" (like beating Dark Souls using only a banana controller or with perma-death enabled) are only possible through modifiers or self-imposed restrictions. game modifier
For many players, standard game difficulty is a barrier. Modifiers that allow "God Mode" (invincibility) or "One-Hit Kill" can make a game accessible to someone with motor control difficulties or someone who just wants to enjoy the story without the stress of combat. Think of a video game as a set
Game developers and filmmakers use modifiers to set up scenes. Free-cam modifiers allow the camera to detach from the player to capture cinematic angles. No-clip modifiers let players walk through walls to explore hidden areas of the map. Modifiers that allow "God Mode" (invincibility) or "One-Hit