* Added Coop map "Syzygy".
* Added Versus map "Around the Mountain".
* Added Wars map "Landing Zone".
* Greatly enhanced the trial by breaking it into a tutorial and a challenge.
* Fixed some languages corrupting save games.
* Fixed Code 4s when logging out of LIVE (obscured by Code 7s for Premium accounts).
* Fixed Code 4s when accepting an invitation while playing a level.
* Fixed Code 4 when inviting Party members to a game.
* Fixed Code 4 when the host ends a game before the clients have left.
* Fixed Code 4 when joining a LIVE game as a local account
* Fixed crash when rapidly refreshing find games list.
* Fixed crash when a player stays on a high spot when the map is changed to have fewer spots.
* Fixed players being added multiple times to a lobby.
* Fixed end game credits not ending the local session.
* Fixed health bars changing shape for different aspect ratios.
* Fixed rare condition of multiplayer games ending without displaying victory/loss messages.
* Fixed reconnecting controller on pause menu resuming the game in the background.
* Fixed players defaulting to ready when joining a game.
* Fixed coop leaking taking one life for bosses.
* Fixed pause screen remaining up when being invited to a game while paused.
* Fixed a crash when multiple storage devices are connected.
* Fixed infinite retry on saving to a disconnected memory unit.
* Fixed logging out on loading screens failing to return to the main menu.
* Fixed issues with logging out of a splitscreen game.
* Fixed all logged in gamers saving under one gamertag.
* Added ability for clients to leave a game before the host after victory.
* Added ability to toggle the player list overlay.
* Added a promotional screen to the trial loading process.
* Added random commander option to multiplayer.
* Added sounds for players joining and leaving the lobby.
* Added a version check to find games list.
* Added a version check that kicks players with an incompatible version number.
* Added ability to swap spots with another player in duo campaign lobby.
* Improved the game icon.
* Improved descriptions of Wars and Versus modes.
* Improved the clarity of focus fire and instagib targets.
* Improved readability of the number over the escalation icon.
* Improved resource disposal when leaving a map.
* Prevented the guide from pausing multiplayer games.
* Prevented Wars and Duo Campaign games from staring with just one person.
* Prevented input from other gamepads while in menus.
* Prevented pause menu input from affecting tutorials.
* Reduced horizontal spacing on menu font.
* Reduced difficulty of Downhill Battle by 20%.
* Reduced verbosity and screen size of many messages.
* Limited hard difficulty to campaign maps that have already been completed.
* Increased volume on world sounds.
* Tweaked some existing levels.
* Tweaked creep and turret balance.