StarCraft II is prepping up another major patch and is letting the general public try it out before it's officially released. Developer Blizzard has announced that the 1.3 patch for the hit sci-fi RTS game is now available to download via the game's public test server.

The 1.3 patch adds a new Grandmaster League for 1v1 ladder matches. This league consists of the top 200 StarCraft II players in each of the game's global regions. In addition there have been some changes and improvements to the Join Custom Game feature, some unit balance changes, a ton of improvements to the game's editing tools, general bug fixes for both the gane and the editor and more.