Glitchless
Glitchless is the most popular of the five main categories, and is commonly regarded as more beginner-friendly, as it doesn't require learning any complex glitches. Despite what the name suggests, there are a lot of debates about what is and isn't allowed in glitchless, and the rules are subject to change.
There are a number of tricks that are still frequently debated, but are currently allowed in glitchless. It's normal to be confused about what is and isn't allowed, so don't be afraid to ask in the Discord.
Objective
Beat the game without abusing any of the glitches below, while following the global game rules.
Banned Glitches
This list is pulled from here.
The following list of rules is not exhaustive, and is subject to change. If you are unsure about whether something is allowed or not, message a mod on SRDC or ask in the Discord.
- Any method of going OoB/placing portals OoB, as defined in the Inbounds rules
- Any form of Save Load Abuse, as defined in the Inbounds No SLA rules
- Turret killed Glados
- ABH, AFH, ASH
- Item Climbing or gaining/preserving height from a mid-air prop
- Camera Fly
- Super Object Throw
- Quantum Crouch
- Portal Bumping through objects or entities
- Edge Glitch
- Clipping Glitch
- LAG, AAG, VAG
- Portal Under Door in 09
- Prop and Portal Boosts (accidental boosts are allowed as long as they do not advance you further than possible without glitches)
- Shooting under door at the start of 16
- 11 platform shot
- Item Save Glitch
- Planetary Alignment
- Seamshots