Here is the full list of all 50 The Club (GFWL) achievements worth 1,000 gamerscore.
Get 100 Melee Kills in Ranked Matches.
Shoot 100 Skull shot targets in Team Skullshot.
Win a ranked match in every location.
Capture the base 25 times in Ranked matches.
Kill the Enemy Fox 25 times in Ranked Matches.
Win any free-for-all game without dying.
Score 10,000 points in a Score Match.
Your team survives for more than 2 Minutes in Team Siege.
Survive for 120 seconds as the hunted in Hunter Hunted.
Win your first ranked match.
Be on the winning team in a ranked team match.
Finish a Tournament on any difficulty with all 8 characters.
Kill every enemy on a level using less than 50 bullets in either Tournament or Single Event.
Spell the word SOS in the Warehouse in either Tournament or Single Event.
Complete the game on any difficulty level in Tournament.
Complete Bunker on any difficulty level in Tournament.
Complete Manor House on any difficulty level in Tournament.
Smash 50 Doors in either Tournament or Single Event.
Complete Ocean Liner on any difficulty level in Tournament.
Complete Prison on any difficulty level in Tournament.
Hit 5 Skullshots in a row (without killing a bad guy in between).
Kill 30 enemies in a level with a melee attack in either Tournament or Single Event.
Get in the top 5,000 on any leaderboard.
Save 5 Playlists in GunPlay.
Complete Venice on any difficulty level in Tournament.
Play an event with every one of the 6 unlocked characters in either Tournament or Single Event.
Get in the top 100,000 on any leaderboard.
Complete the Steel Mill on any difficulty level in Tournament.
Complete a Run the Gauntlet with 20 seconds left.
Get more than 10,000 points for a single kill in either Tournament or Single Event.
Achieve your first x10 combo in either Tournament or Single Event.
Shoot All Skullshots on one level in either Tournament or Single Event.
Complete Steel Mill on Insane level.
Complete Ocean Liner on Insane level.
Complete Prison on Insane level.
Complete Venice on Insane level.
Complete Warehouse on any difficulty level in Tournament.
Complete Warehouse on Insane level.
Complete Manor House on Insane level.
Complete Bunker on Insane level.
Complete Warzone on Insane difficulty
Achieve one of every ‘in game award’ either in Tournament or Single Event.
Achieve every ‘in game award’ in one level in either Tournament or Single Event.
Shoot All Secret Skullshots in every level in either Tournament or Single Event.
Shoot All Skullshots on every level in either Tournament or Single Event.
Reach the level objective with a maximum combo in either Tournament or Single Event.
25 'First Kills' in any Ranked Multiplayer game mode.
Get 100 Explosive Kills in Ranked Matches.
Get 100 Sniper Kills in Ranked Matches.
Kill 10,001 people in multiplayer Ranked Matches.