Here is the full list of all 58 Quake Live achievements.
Accumulate 100 Capture Medals.
Accumulate 1000 combined total Capture the Flag Medals (Capture, Assist, Defense).
Accumulate 10000 Frags.
Use the Rail Gun to frag an opponent with only 1 point of health.
Accumulate 250 Excellent Medals.
Get 25 frags using projectiles on opponents midair.
Accumulate 100 Defense Medals.
Complete 250 matches.
Accumulate 100 Revenge Medals.
Accumulate 500 frags using the Rocket Launcher.
Accumulate 250 Impressive Medals.
Hold 3 Domination control points in an arena for at least 30 seconds.
Accumulate 1000 Frags.
Deny Quad Damage from your opponent.
Accumulate 500 Frags.
Get Quad and Battle Suit in one match.
Record a final score of 666 in Capture the Flag.
Earn at least 1 Capture, Defense, and Assist medal in a CTF match.
Accumulate 50 Humiliation Medals.
Use the Gauntlet to frag an opponent who has Quad Damage.
Frag an opponent when you have only 1 health.
Kill the opposing team in Attack & Defend without touching the flag.
Capture the flag in Attack & Defend without killing anyone on the team, minimum size 3.
Record 5 Gauntlet frags in one match.
Frag an opponent with Gauntlet while both of you are in the air.
Frag your opponent with Gauntlet in a Duel.
Win a match with 60% or greater accuracy.
In Clan Arena, frag 3 or more opposing players to win the round, when you're the last alive.
Win a CA round using the Grenade Launcher.
Accumulate 100 Frags.
Get the last frag in a CA round with gauntlet.
Win a Duel without dying.
Score the first kill in a match.
Win a match for the first time.
Record 15 or more frags in a single match with the Rail Gun.
Record 5 Shotgun frags of opponents in the air in one match.
Accumulate 10 or more Quad Damage frags in 1 game.
Frag an opponent who has Quad Damage when you have no power-up.
Record your first frag with the Kamikaze Item.
Frag an enemy while moving at over 500 units per second.
Complete 1 match.
Record 3 Excellent medals in 1 game.
Use a rocket to kill an opponent who is in the air.
Frag an opponent while you are in the air.
Win the Crash Course match against our trainer.
Reach the end of the skill test hallway in the Crash Course.
Finish the final hall in the Elevate training level.
Finish the second hall in the Elevate training level.
Finish the first hall in the Elevate training level.
Finish the final hall in the Accelerate training level.
Finish the second hall in the Accelerate training level.
Finish the first hall in the Accelerate training level.
Earn 3 or more Capture, Defense, and Assist medals in a CTF match.
Capture at least 3 skulls at once in Harvester.
Kill two enemy flag carriers moments before their cap in 1 game.
Win a Capture the Flag match by 1 capture, ending the match with your winning flag run.
Complete 1000 matches.
Accumulate 100 Assist Medals.