The beta version of the long awaited Starcraft 2 has finally been released by Blizzard. The second title of the game series (making it a trilogy is the goal) is already available and many users have access through their game management within their Battle.net account profile, after receiving an email.

In the meantime, check 5 new videos from this RTS game that will surely be the delight of many gamers, while reviewing some of the major changes.

"Wings of Liberty has officially begun! Invitations to participate in the beta test are now being delivered. As with previous Blizzard Entertainment titles, the beta-test process for StarCraft II will occur in phases. In each phase, we will be selecting players who meet specific criteria and who have opted in via their Battle.net accounts.

Players who have been invited to participate in the beta test will need to have a Battle.net account. For more information on the StarCraft II: Wings of Liberty beta test, please read the FAQ and our recent media alert.

If you didn’t receive a beta test invite, don’t worry — it’s possible that you’ll be added in a later phase. Keep an eye on the email address associated with your Battle.net account, and stay tuned to www.StarCraft2.com for further updates."

Major Changes

- Lurker and Infested Terran have been removed
- D8 Charges is now a secondary attack vs buildings, no longer an ability
- Protoss macro mechanic is called "Chrono Boost" - Makes units and researches build 50% faster
- Marine / Marauder have Stimpack
- Roach has a new texture, and can upgrade to move while burrowed
- Ultralisks have a speed and armor upgrade
- Nydus worm can be built anywhere with no limit
- Corruptors have an ability called "Corruption" - Disables a building for a duration
- Infestors have Neural Parasite, Fungal Growth and Siphon Life
- Hydralisks have a range upgrade instead of a movement upgrade
- Sentry has an ability called "Guardian Shield" - Reduces all damage allies take within the bubble radius
- Immortals do terrible, terrible damage to armored
- Battlecruiser NO LONGER has 3 abilities, it has been reduced just down to the Yamato Cannon