Dark Sector (Xbox 360)

Brutal Mode
Successfully complete all ten chapters to unlock the Brutal difficulty. But be warned, it's epically difficult.

Achievements
If you're good, you can get all of these achievements. If not, well, back to gamer college for you...

•       Prologue (10 points): Complete Chapter 1.

•       Exposure (10 points): Complete Chapter 2.

•       Baggage Claim (10 points): Complete Chapter 3.

•       Moths To The Flame (10 points): Complete Chapter 4.

•       The Shipment (10 points): Complete Chapter 5.

•       The Bait (10 points): Complete Chapter 6.

•       Industrial Evolution (10 points): Complete Chapter 7.

•       Unnatural History (10 points): Complete Chapter 8.

•       Threshold Guardian (10 points): Complete Chapter 9.

•       The Dark Sector (100 points): Complete the Game.

•       Dark Sector - Brutal Difficulty (110 points): Complete the Game on Brutal Difficulty.

•       Headhunter (10 points): Decapitate 30 Enemies.

•       Incinerator (10 points): Incinerate 30 Enemies.

•       Electrician (10 points): Electrocute 30 Enemies.

•       Jack Frost (10 points): Kill 30 Frozen Enemies.

•       Finesse (40 points): Kill 30 enemies with Aftertouch.

•       Hardball (35 points): Kill 30 enemies with Power-throw.

•       Sharpshooter (10 points): Get 30 Headshots.

•       Glaive Master (10 points): Complete a Level by Only Using the Glaive.

•       The Finisher (10 points): Perform 30 Finishers.

•       Double Decap Latte (15 points): Get Two Decapitations In One Shot.

•       Skeet Shooter (10 points): Shoot 10 Projectiles in Mid-flight.

•       Weaponsmith (10 points): Apply 5 Upgrades in the Black Market.

•       Greed (10 points): Collect over 50,000 rubles.

•       Researcher (10 points): Collect 10 Weapon Upgrades.

•       Master Researcher (15 points): Collect All the Weapon Upgrades.

•       Rebound (15 points): Kill an Enemy With a Reflected Projectile.

•       Glory (30 points): Finish Best Overall in a Ranked Infection Match (Multiplayer).

•       Veteran (30 points): Score 500 Points in Ranked Infection Games (Multiplayer).

•       Hero (40 points): Score 2000 Points in Ranked Infection Games (Multiplayer).

•       Champion (30 points): Finish Best Overall in a Ranked Epidemic Match (Multiplayer).

•       Comrade (30 points): Score 500 Points in Ranked Epidemic Games (Multiplayer).

•       Hero of the People (40 points): Score 2000 Points in Ranked Epidemic Games (Multiplayer).

There are also five secret achievements:

•       Colossus (50 points): Defeated the Colossus.

•       Stalker (65 points): Defeated the Stalker.

•       Nemesis (85 points): Defeated the Nemesis.

•       Ghost (35 points): Used Shifting to get a finisher.

•       Jack the Jackal (35 points): Took the Jackal for a ride.