Challenges:
Complete the indicated task to complete the indicated challenge. Available challenges can be viewed on the "Information" screen.

Arm and Wire Action: Leap Up! - Perform a leap up.
Arm and Wire Action: First Swing - Perform a swing.
Arm and Wire Action: Hand-To-Hand - Kill a grunt in hand-to-hand combat.
Arm and Wire Action: Kick In The Back - Perform 2 zip kicks on an enemy.
Arm and Wire Action: Reel In - Reel in 3 times.
Arm and Wire Action: Speed Swinger - Complete 5 consecutive speed swings.
Arm and Wire Action: Swinger - Complete 3 consecutive swings.
Arm and Wire Action: Train Block - Pull down the vehicle that is blocking your way.
Arm and Wire Action: Train Wreck - Pull down 3 train cars.
Arm and Wire Action: Barrage - Kill 3 enemies at the same time with a death from above.
Arm and Wire Action: Incoming! - Kill an enemy with a death from above.
Arm and Wire Action: Jabberman - Kill 10 grunts in hand-to-hand combat.
Arm and Wire Action: Monkeyman - Swing longer than 30 meters without touching anything.
Arm and Wire Action: Pull! - Kill an airborne enemy with a throw attack.
Arm and Wire Action: Receiving End - Throw an object at an enemy.
Arm and Wire Action: The Pinball Effect - Kill 2 enemies with one throw.
Arm and Wire Action: The Pitcher - Kill 50 enemies with the throw attack.
Arm and Wire Action: Worthy foe - Kill 3 biomech in hand-to-hand combat.
Enemy Combat: Anti-Air Measures! - Destroy 1 polycraft.
Enemy Combat: Biomech Sweeper - Defeat 15 biomechs.
Enemy Combat: Blood Trial - Kill 10 grunts.
Enemy Combat: Cracker - Defeat 5 biomechs.
Enemy Combat: Fair Fight! - Defeat 1 biomech.
Enemy Combat: Headshot Bonanza - Kill 50 grunts with a headshot.
Enemy Combat: Nemesis - Kill 350 grunts.
Enemy Combat: Poly Cruncher - Destroy 10 polycraft.
Enemy Combat: Slayer - Kill 25 enemy grunts.
Enemy Combat: The bold approach - Hit 1 biomech with a single death from above.
Enemy Combat: Torn Into Pieces - While in the air, destroy 1 polycraft.
Weapon Usage: Air To Surface - Use the Tarantula to kill 6 enemies while swinging.
Weapon Usage: Close up - Shoot an enemy while zoomed in.
Weapon Usage: Drive By - Kill 3 grunts with the hiker while swinging.
Weapon Usage: Explosive Delivery - Kill 2 grunts with the bulldog while swinging.
Weapon Usage: Kaboom - Use a grenade to kill a grunt.
Weapon Usage: Let The Dog Out - Kill 3 grunts with one bulldog shot.
Weapon Usage: Man Locked Up - Use the Tarantula's lock-on ability to kill 1 infantry unit.
Weapon Usage: Rocket Man - Use the Tarantula to kill 10 enemies.
Weapon Usage: Stroke Of Luck - Kill 1 enemy by using the bulldog.
Weapon Usage: The River - Kill 5 grunts with a single grenade.
Weapon Usage: The Turn - Kill 4 grunts with a single grenade.
Weapon Usage: Two Hit Wonder - Kill 2 guards with a single hiker shot.

Upgrades:
Complete the following task to unlock the corresponding upgrade.
Ammunition Upgrade 1: Use a grenade to kill one Grunt. This increases ammo capacity.
Ammunition Upgrade 2: Kill an enemy with a Death From Above. This increases your ammo capacity.
Faster Reload 1 : Defeat one Biomech. This decreases the reload rate of the Yelena.
Faster Reload 2 : Use the Kite ability on 15 Grunts and kill them in the air.
This decreases the reload rate of the Yelena.
Firestorm : Kill three Grunts with one Bulldog shot.
This increases the blast radius for the Bulldog.
Hip Shot : Kill 10 Grunts. This increases shot accuracy for Tungsten.
Hollow Point : Destroy one Polycraft.
Tungsten damage will be increased (one of two).
In Your Face : Kill two Grunts with a single Hiker shot.
The rate of fire on the Hiker will be increased.
Light Armor : Kill a Grunt in hand-to-hand.
This increases how much damage you can take.
No Clipping : Defeat the Mohole.
This increases ammo capacity for the SJMG)
Precision : Shoot an enemy while zoomed in with the pistol.
This decreases the bullet spread when zoomed-in with the Tungsten.
Red Matrix : Defeat the Mohole. Red Matrix doors can now be opened.
Reloaded : Kill two Grunts with the Bulldog while swinging.
This decreases the Bulldog reload time
Six Shooter : Destroy the Buraq.
The Tarantula can now lock on to six targets simultaneously.
Sledgehammer : Kill three Grunts with the Hiker while swinging.
Hiker damage is increased.
Super Charges : Kill one Grunt with a Whip Spin attack.
Tungsten damage has been increased (two of two).
The Bullet Hoser : Kill three Biomechs in hand-to-hand combat.
This increases rate of fire of the SJMG.
White Matrix : Defeat the Constructor. White Matrix doors can now be opened.