Game Achievements:

• comeback kid - come back and win a game from 3 goals behind (10 Gamerpoints)
• completist freak - get 100% in time attack mode (10 Gamerpoints)
• don't need no powerballs - win without using a powerball, but you can still pick them up (25 Gamerpoints)
• geon king - score 5,000,000 points to be a geon king! (15 Gamerpoints)
• getting out more - play on Xbox LIVE at least once (15 Gamerpoints)
• gimme gimme world domination - win 50 Xbox LIVE games (25 Gamerpoints)
• hazardous creation - create a hazard by using a mega-ball (10 Gamerpoints)
• i've got the power - use all powerballs on your side of the map in a single match (15 Gamerpoints)
• mini-game master - complete all 8 mini-games (25 Gamerpoints)
• use your emotion - win at least once with each emotion (10 Gamerpoints)
• variety is the spice of life - win at least once in all game modes, including Xbox LIVE (25 Gamerpoints)
• you're a winner - win 5 ranked matches in a row (15 Gamerpoints)