Here is the full list of all 10 Game Room - there are Asteroids Deluxe achievements worth 200 gamerscore.
Shot down 10 UFOs in ranked mode
Travelled an accumulated distance of 6 miles (10 km) while playing the game
Won your first medal
Played using tilt controls
Surpassed your own leaderboard score 3 times
Travelled 2/3 mile (1 km) while playing a single play session of the game
Travelled at over 35 mph (55 km/h) while playing a game
Watched the credits in full
Win a medal of each type
Win 3 gold medals