Full list of all 38 Dark Sector achievements worth 1,000 gamerscore. It takes around 40-50 hours to unlock all of the achievements on Xbox 360.
Scored 2000 Points in Ranked Infection Games (Multiplayer).
Scored 500 Points in Ranked Infection Games (Multiplayer).
Finished Best Overall in a Ranked Infection Match (Multiplayer).
Scored 2000 Points in Ranked Epidemic Games.
Scored 500 Points in Ranked Epidemic Games (Multiplayer).
Best Overall in a Ranked Epidemic Match (Multiplayer).
Completed the Game on Brutal Difficulty.
Completed the Game.
Completed Chapter 9.
Defeated the Nemesis.
Collected All the Weapon Upgrades.
Completed Chapter 8.
Used Shifting to Get a Finisher.
Completed Chapter 7.
Defeated the Stalker.
Killed 30 Frozen Enemies.
Completed Chapter 6.
Completed Chapter 5.
Killed an Enemy With a Reflected Projectile.
Took the Jackal for a Ride.
Applied 5 Upgrades in the Black Market.
Completed Chapter 4.
Collected over 50,000 rubles.
Defeated the Colossus.
Shot 10 Projectiles in Mid-flight.
Collected 10 Weapon Upgrades.
Decapitated 30 Enemies.
Incinerated 30 Enemies.
30 Aftertouch Kills.
Completed Chapter 3.
Two Decapitations In One Shot.
Electrocuted 30 Enemies.
30 Power-throw Kills.
Completed Chapter 2.
Completed a Level by Only Using the Glaive.
Performed 30 Finishers.
30 Headshots.
Completed Chapter 1.