Krater [Steam] and Airmech [Steam] Closed Beta Keys

Not sure about the quality of the games, but both closed beta:

Krater - http://www.alienwarearena.com/giveaway/krater-closed-beta-ke…
http://www.kratergame.com/

AirMech - http://www.alienwarearena.com/giveaway/airmech-closed-beta-k…
http://carbongames.com/

Get 1000 diamonds with AirMech, whatever that means!

Krater:

Alienware Arena has teamed up with the publishers of Fatshark to bring you into the beta of their new game, Krater. This new unique RPG, set in a post-apocalyptic Sweden, offers many features that are sure to keep you wanting more.
Core mechanics include:
- Extensive crafting (craft unique abilities, weapons and items)
- Character persistence where both injuries and experience work in conjunction to evolve your team over time.
- Simultaneously control a squad of 3 characters chosen from 4 different main classes with a multitude of specializations.
- Prepare your team of Freediggers for the end-game and try to get as deep as you can into the main shaft, a dungeon crawler of massive proportions.
- Singleplayer/multiplayer which blend seamless with each other. Use your progress from the single player campaign in coop missions and the other way around.
You definitely don't want to miss out. Get your key to be entered into the beta today!
About the Game
Krater takes place in a lush post-apocalyptic game world, a gigantic impact crater where cities and even nations have has been built on the aftermath of a bomb. It is a colorful game exeperince, where genre-typical deserts are replaced by nordic pine forests and red wooden cottages.

AirMech:

Try out this new RTS from Carbon Games! The publishers of AirMech have brought a Genesis classic and adapted it to today's PC and console gameplay. With this giveaway you will be awarded with a key to join AirMech's closed beta, an exclusive Alien pilot and 1,000 diamonds to ensure that you are ahead of the game in Alienware Arena style!
Grab your key today!
Once game is released, codes will still be valid for the Alien pilot and diamonds in-game
Only available to North America, South America, Europe, Russia and Australia
About the Game:
AirMech is an Action-RTS game where you control a giant transforming robot and fight alongside your army! Choose your AirMech and Units to take into battle online where 6 players wage war against one another. Also featuring Survival and Cooperative game modes, along with Challenge missions, Solo play and many Quests to complete. Unlock new content to customize your army in this new Free 2 Play game from the creators of Fat Princess.

Information regarding AirMech steam key posted below by Pledge:
http://www.ozbargain.com.au/node/70989#comment-885905