The Great Orb Project

The Great Orb Project is a Runecrafting minigame released August 12, 2008.

The Behind the Scenes - August 2008 update mentions that the fast-paced minigame is played between 2 teams. The goal is to collect the orbs, and to prevent the other team from collecting these orbs. The two teams will be collecting two types of orbs: yellow and green.

Here is the quote from the Behind the Scenes - August 2008 update: