Wallbugging is a movement technique where you wiggle yourself into an angled wall or clip brush in order to either reset your vertical velocity or get stuck to the wall itself.
More info yes please!
The glitch was fixed in the Team Fortress 2 Halloween update on October 1, 2026, but it was initially omitted from the patch notes. Four days and two changelogs later, on October 5, 2026, the missing note was mentioned, along with a newly added cvar:
- Added
sv_wallbugconvar to allow previous movement behavior on community servers (related to the missed note at the bottom)Missed from the Halloween update:
- Fixed a bug where players could have a chance to get stuck in certain oblique angles of walls and props
Link some Quake too, the bug exists there as well iirc.
Also in case the bug have a different cause in engines: