Game Achievements:

• Christopher Wren - Reach a tower height of 300 in Quick Game (30 Gamerpoints)
• Guglielmo & Pisano - Build a 183 block high tower in Co-op multiplayer (10 Gamerpoints)
• I have a better idea... - Come up with your own name for the city in Build City mode (5 Gamerpoints)
• Keeper of Time - Have the countdown clock go over a minute in Time Attack (10 Gamerpoints)
• Louis Sullivan - Reach a tower height of 600 in Quick Game (45 Gamerpoints)
• Metropolis Builder - Reach a population of 200,000 in Build City Mode (30 Gamerpoints)
• Michelangelo - Reach a tower height of 100 in Build City or Quick Game Mode (15 Gamerpoints)
• Precise Architect - Make 1 perfect drop. (5 Gamerpoints)
• Relentless - Win 50 competitive multiplayer matches. (10 Gamerpoints)
• See you later! - Overtake three of your friends in Quick Game's friend ladder. (15 Gamerpoints)
• Superior Architect - Make 10 perfect drops in a row. (10 Gamerpoints)
• Trumped! - Reach the last milestone in Build City Mode (15 Gamerpoints)