Here is the full list of all 12 Big Bumpin achievements worth 200 gamerscore. It takes around 6-8 hours to unlock all of the achievements on Xbox 360.
Score 100 goals in Bumpin' Hockey games
Rack up 100 Knockouts in Last Man Standing games
Go 30 seconds without taking any damage in a game of Last Man Standing
Win a game of Bumpin' Hockey online without anyone on your team scoring a goal
Win the Bump Master Classic
Complete the Single Player Game
Return a full load of charge in Power Surge without taking a hit
This is awarded for being the winner in ANY game that takes place across Xbox Live
Running total of points scored in games of Own The Puck played over Xbox Live equals 10 minutes
Win a game of anything on Xbox Live without pressing "boost"
Awarded for finishing an online game on any Own the Puck level with 0 points
Awarded when the player finishes a game of Hockey over Xbox Live having scored 3 or more goals