Definition of "obby"

This obby is going to be a dungeon-style theme. Players will have to run down long corridors, avoid traps, make death-defying leaps, and run along cobblestone mazes.

2019, Heath Haskins, The Advanced Roblox Coding Book: An Unofficial Guide, page 167

Obstacle courses are very popular on Roblox. These games are usually called "obby" by Roblox players. In an average obby, you might need to jump across tiny platforms. Or slide down a twisting slope. Or both at once! An obby usually starts out easy and gets tougher as it goes.

2020, Josh Gregory, Games and Genres in Roblox, page 9

Obstacle games can have potential for massive visits if it is a great obby.

2020, Roblox Guide to Success, page 12

The saga continues for Liz as she faces one obby after another.

2021, Sara Coleman, 101 Unofficial Roblox Story Starters, page 20

With a newly "looted" obby shield and a fresh Verac Plateskirt in inventory I decided to teleport to closest bank and have a break from the game.

2015, Sean Mintz, Computer Games: The Complete Guide to Computer Games Learning

I reckon Runescape[sic] is the game that introduced my young, ignorant, and stubborn self to modern RPGs. In a way, I owe at least part of how my career has shaped up to trimmed rune and obby capes.

2021 January 4, Cian Maher, “Runescape[sic] Is 20 Years Old Today - Here's How I Started A Pyramid Scheme When I Was Nine”, in TheGamer‎, archived from the original on 2022-06-19

Oh yeah? I'll say, lying down and closing my eyes beside them while they talk to me about mooshrooms and obby swords. Tell me more.

2021 May 6, Kate Baer, “12 Moms on Their Secret Strengths”, in The New York Times‎, archived from the original on 2022-05-06