Here is the full list of all 50 World Series of Poker 2008 achievements worth 1,000 gamerscore.
Won Player of the Year at level amateur
Won Player of the Year at level semipro
Won a cash game at Caesars
Won a cash game at Paris
Won a cash game at Bally's
Won a cash game at Flamingo
Earned the Expert Rank by playing Xbox LIVE Matches
Took down at least 25 players in Xbox LIVE matches
Played 25 Xbox LIVE matches
Took down at least 10 players in Xbox LIVE matches
Hosted 5 Xbox LIVE games
Took down at least 2 players in Xbox LIVE matches
Earned the Professional Rank (or higher) by playing Xbox LIVE Matches
Earned the Recreational Rank (or higher) by playing Xbox LIVE Matches
Earned the Novice Rank (or higher) by playing Xbox LIVE Matches
Won the Main Event
Placed in the money at the Main Event
Placed in the money at the Texas Hold'em Mixed Limit World Championship
Won the Texas Hold'em Mixed Limit World Championship
Collected four complete sets of Collector Chips
Won Player of the Year at level pro
Collected three complete sets of Collector Chips
Placed in the money at the HORSE World Championship
Won the HORSE World Championship
Won a cash game at Harrah's
Placed in the money at the Seven Card Stud Hi-Low World Championship
Won the Seven Card Stud Hi-Low World Championship
Knocked out 25 pros at least once
Played a cash game at Caesars
Placed in the money at the Texas Hold'em Pot Limit World Championship
Collected two complete sets of Collector Chips
Won the Texas Hold'em Pot Limit World Championship
Played a cash game at Paris
Won the Omaha Pot Limit World Championship
Placed in the money at the Omaha Pot Limit World Championship
Played a cash game at Bally's
Placed in the money at the Texas Hold'em Limit World Championship
Won the Texas Hold'em Limit World Championship
Played a cash game at Flamingo
Placed in the money at the Omaha Hi-Low 8 or better World Championship
Won the Omaha Hi-Low 8 or better World Championship
Collected one complete set of Collector Chips
Knocked out 10 pros at least once
Completed the Heads-Up: "Beat The Brat" gamplay mode
Placed in the money at the Seven Card Stud World Championship
Won the Seven Card Stud World Championship
Played a cash game at Harrah's
Won one Quickplay game
Completed "Phil's Poker School"
Broke $2,000 in the Same Hand Jam