Using gameplay-altering mods in a competitive environment where they are prohibited is considered cheating. However, the community often embraces mods as training tools. For example, a practice mod that allows a player to respawn instantly at a failed jump is invaluable for learning a level, even if that mod is disabled during an official speedrun attempt.
(often followed by its successor ) refers to a series of niche interactive games and mods primarily centered around Helixftr Mods