|Cross the monkey bars in the Yanille Agility Dungeon.|
|Release date||10 October 2009 (Update)|
|Infobox • Infobox talk page|
Monkey Business is an achievement that requires the player to cross the monkey bars in the Yanille Agility dungeon.
The entrance north of Yanille requires a knife or weapon with slash. The entrance in southern Yanille requires level 82 Thieving and a lockpick to access. Players do not need to be successful, a failed attempt will also complete the achievement.