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.
Completed the Game on Brutal Difficulty.
Scored 2000 Points in Ranked Epidemic Games.
Scored 2000 Points in Ranked Infection Games (Multiplayer).
Completed the Game.
Electrocuted 30 Enemies.
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.
Decapitated 30 Enemies.
Scored 500 Points in Ranked Infection Games (Multiplayer).
Finished Best Overall in a Ranked Infection Match (Multiplayer).
Scored 500 Points in Ranked Epidemic Games (Multiplayer).
Best Overall in a Ranked Epidemic Match (Multiplayer).
Completed Chapter 6.
Completed Chapter 5.
Killed an Enemy With a Reflected Projectile.
Took the Jackal for a Ride.
Completed Chapter 4.
Defeated the Colossus.
Shot 10 Projectiles in Mid-flight.
Performed 30 Finishers.
Incinerated 30 Enemies.
30 Aftertouch Kills.
Applied 5 Upgrades in the Black Market.
Collected 10 Weapon Upgrades.
Collected over 50,000 rubles.
30 Power-throw Kills.
Two Decapitations In One Shot.
Completed Chapter 3.
30 Headshots.
Completed Chapter 2.
Completed a Level by Only Using the Glaive.
Completed Chapter 1.