Here is the full list of all 47 PDC World Championship Darts achievements worth 1,000 gamerscore.
Beat Wayne Mardle in Pro or Master difficulty
Finish a leg in 12 darts or less in a non-party 701 match
Beat Phil Taylor in Pro or Master difficulty
Score 180 in 3 darts on the practice board
Finish a leg in 9 darts in a non-party 501 match scoring 167 (T20, T19, Bull) three times
Finish a leg in 9 darts in a non-party 501 match
Beat John Part in Pro or Master difficulty
Beat Terry Jenkins in Pro or Master difficulty
Score a 150 (Bull, Bull, Bull) checkout in a single turn in a non-party match
Beat Andy Hamilton in Pro or Master difficulty
Win 10 ranked matches in a row on Xbox LIVE
Beat Adrian Lewis in Pro or Master difficulty
Beat Colin Lloyd in Pro or Master difficulty
Win a ranked match on Xbox LIVE
Beat Roland Scholten in Pro or Master difficulty
Score 180 in 3 darts in a non-party match
Hit a no-score area of the dartboard 3 times in a single turn in a non-party match
Score more than ten 180s in a career match
Win your first non-party match
Finish a leg in 6 darts in non-party 301 match
Score a 3-dart finish higher than 140 in a non-party match
Finish on the bull in a non-party match
Achieve a 3-dart average greater than 120 in a single non-party match
Beat Alan Warriner-Little in Pro or Master difficulty
Score a 170 (T20, T20, Bull) checkout in a single turn in a non-party match
Leave yourself on a 163 bogey checkout in a non-party match
Score a 153 (T20, T19, D18) checkout in a single turn in a non-party match
Win a match against a Pro player without losing a set in career mode
Win a match against a Pro player without losing a leg in career mode
Beat Mark Dudbridge in Pro or Master difficulty
Beat Andy Jenkins in Pro or Master difficulty
Beat Raymond van Barneveld in Pro or Master difficulty
Beat Ronnie Baxter in Pro or Master difficulty
Beat Kevin Painter in Pro or Master difficulty
Beat Dennis Priestley in Pro or Master difficulty
Beat Peter Manley in Pro or Master difficulty
Win the World Championship
Win the World Grand Prix
Win the Las Vegas Desert Classic
Win the UK Open
Win the World Matchplay
Win the German Darts Championship
Win the US Open
Winning all tournaments in a single year in career mode
Achieve a career 3-dart average greater than 100 over a season
Be world #1 in career mode with a custom character at the end of the season
Win 50 ranked matches on Xbox LIVE