Closed Beta (Rift)  

Closed Beta is from 3rd December 2010 to ~?~ in several individual events and participants were chosen and placed under NDA

Closed Beta Events

Rise of the Defiant December 3rd - December 6th

Like a phoenix rising from the ashes, survivors from Telara's desolate future have resurrected champions and sent them into the past to prevent the apocalypse brought on by the Blood Storm and the blind faith of the Guardians. Join the techno-magical Defiant in their fight to change the course of history!

Guardians of the Vigil December 17rd - December 20th

The Vigil has raised an army from throughout Telara's history. The people cry out for saviors; only the strength of the Guardians can seal the rifts and keep the Defiant from destroying the world. Join the Guardians to drive back the planar forces that threaten Telara!

Enter the Rift December 28th - December 31st

Adventure through the world of Telara as a noble Guardian or techno-magical Defiant. Enter a dynamic fantasy where eight primal forces battle for control over an ever-changing landscape. The planar invasions grow more numerous and the Ascended must rise to the challenge!

Wikipedia

Beta is feature and asset complete version of the game, when only bugs are being fixed. This version contains no bugs that prevent the game from being shippable. No changes are made to the game features, assets, or code. Beta usually occurs two to three months before code release.

Refrences

• Wikipedia: Game Development
• Offical Game Site

RIFT Wikibase™ Patch Notes