Halo Wars: Historic Battles will be released on Xbox Live Marketplace on July 21 (800 points) and Microsoft have provided us with details of the new maps that are included. There will be a total of four new maps (2 1v1, 1 2v2, and 1 3v3) and the add-on has been developed by the studio formed by some of the remnants of the closed down Ensemble Studios under their new studio name - Robot Entertainment.
Four new achievements for a total 100 Gamerscore:
• Tour Coming Through: Hot drop 50 squads to your Covenant Leader in a single game on Memorial basin (30 points)
• Never Leave a Man Behind: Finish a game with 5000 net resources contributed to your teammates on Memorial Basin (15 points)
• Drain Cleaner: Kill 20 enemy squads with a continuous Covenant Leader Power on Memorial Basin (30 points)
• Killjoy: Disrupt 5 active Leader Powers in a single game on Blood River (25 points)