In extinction mode, there is a "currency" called Teeth. You deserve to earn teeth through assorted tasks: completing Extinction missions, making use of relics, play in hardcore mode, helping other players complete a mission for the an initial time, and also every 300 cryptid kills (also over there is a "bonus pool" the refills every 24 hours giving you 1"freebie" teeth for simply progressing previous the very first area that hives on any map).

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EDIT - new Ways to knife Teeth:

+ 4 teeth per game for completionist

+ 2 this per video game for completing 10 difficulties (i.e. Not failing an ext than 2 challenges)

+ unconfirmed: platinum, no downs, no drill repairs, ...

 

In her loadout in extinct mode, there is a ar at the top that states "Armory: gain Upgrades" - this is where you invest your hard earned this for class and also equipment upgrades.

 

They imposed the Armory for DLC 2, however have because updated it through DLC 3, and also DLC 4. Here is the understand list:

(key: 1/5 = wait until you"ve got whatever that"s better, 3/5 = it"s useful, 5/5 = it"s necessary, and cyan if ns haven"t tried the & I"m reporting from who else"s experience)

 

The grasp list is in the order of the list in game.

 

Name: Faster Revive

Cost: 10 teeth

Upgrade: Shortens the time it takes for you to gain revived.

GRILL rating: 3/5

 

Name: Start v a Locker Key

Cost: 40 teeth

Upgrade: Start with a Locker crucial on missions with Lockers.

GRILL rating: 5/5

 

Name: More Cash

Cost: 20 teeth

Upgrade: Start through an extra $1000

GRILL rating: 1/5

 

Name: Flaming stowed riot Shield

Cost: 20 teeth

Upgrade: A stowed revolt Shield will burn adversaries while blocking assaults from the rear.

GRILL rating: 5/5

 

Name: Higher high quality Incendiary Ammo

Cost: 5 teeth

Upgrade: Incendiary Ammo does more total damage.

GRILL rating: 3/5

 

Name: Electric Knife

Cost: 30 teeth

Upgrade: Electrically charges the knife so that a melee will certainly arc power to surrounding Cryptids, stunning them. The electrical Knife has actually a recharge time of 4 seconds.

GRILL rating: 3/5 (If you have actually some extra this lying around, this is a fun upgrade. The only down next is nevertheless of whether you get the electrical energy or not, you need to wait 4 seconds after every melee. It additionally seems to occupational sporadically in tandem with body armor, i.e. When assaulted you emit an electric blast the stuns the aliens.)

 

Name: Sniper Deadeye

Cost: 40 teeth

Upgrade: Sniper Rifle hits are always crucial and kills will earn much more cash.

GRILL rating: 5/5 (fantastic, earns more money and also cryptids go down super quick)

 

Name: Seeker to explode Protection

Cost: 5 teeth

Upgrade: Take less damages from exploding Seekers and Bombers.

GRILL rating: 1/5

 

Name: Toughness

Cost: 25 teeth

Upgrade: Flinch much less when acquisition damage.

GRILL rating: 5/5 (This upgrade is a real bargain because that 25 teeth, and also it considerably reduces the flinching when dealing with those pesky ford on Mayday. It"s great for the other maps also - think about it, what do you invest the most time doing in a game? Looking under the site. Obtain this upgrade. )

 

Name: Hypno-Knife a Rhino

Cost: 50 teeth

Upgrade: Players who usage a hypno-knife top top a Rhino have the right to turn him into a beneficial ally.

GRILL rating: 3/5

 

Name: Start through a ability Point

Cost: 20 teeth

Upgrade: Start each video game with one extra skill Point.

GRILL rating: 5/5

 

Name: Faster health and wellness Regeneration

Cost: 5 teeth

Upgrade: Regenerate health faster.

GRILL rating: 1/5

 

Name: High grade Armor Piercing Ammo

Cost: 5 teeth

Upgrade: Armor piercing ammo will certainly inflict increased damages when impacting a Cryptid"s armored head plate.

GRILL rating: 1/5

 

Name: Damage Upgrade

Cost: 10 teeth

Upgrade: Increases the damages of all strikes by 5%

GRILL rating: 0/5 (don"t even bother, not noticeable)

 

Name: Stun Armor

Cost: 10 teeth

Upgrade: With armor equipped, this will periodically stun attackers.

GRILL rating: 1/5

 

Name: Sentry Armor

Cost: 5 teeth

Upgrade: Sentry firearms you place can sustain an ext damage.

GRILL rating: 1/5

 

Name: Medic Upgrade

Cost: 15 teeth

Upgrade: The Medic is surrounding by a therapeutic power field. Allies within the field are healed or revived from last stand.

GRILL rating: 5/5

 

Name: Engineer Upgrade

Cost: 15 teeth

Upgrade: The engineer lays down a Stasis ar that both protects native Scorpion and also Seeder attacks and also creates a for sure zone the Cryptids will not enter.

GRILL rating: 3/5

 

Name: Weapon specialist Upgrade

Cost: 15 teeth

Upgrade: The Specialist has an adrenaline rush, considerably increasing damage done and also keeping his clips totally topped off. Nearby allies additionally receive a modest damages boost.

GRILL rating: 5/5

 

Name: Tank Upgrade

Cost: 15 teeth

Upgrade: All Cryptids begin attacking the Tank, who is currently invulnerable and able come stun adversaries with melee attacks.

GRILL rating: 3/5

 

Name: I.M.S. Rapid Trigger

Cost: 5 teeth

Upgrade: Shortens the time it take away the I.M.S. Come detect adjacent enemies.

GRILL rating: 3/5

 

Name: Keep precious Attachments

Cost: 10 teeth

Upgrade: Attachments deliver if they space valid for the new weapon.

GRILL rating: 5/5

 

Name: Magnum ACOG attachment

Cost: 2 teeth

Upgrade: Magnum pistols will have an ACOG equipped.

GRILL rating: 1/5

 

Name: I.M.S. Flaming Pools

Cost: 10 teeth

Upgrade: When equipped, the I.M.S. Explosions will leave lingering fire pools.

GRILL rating: 0/5 (hurts you and also your teammates, don"t waste your teeth)

 

Name: No Snare

Cost: 10 teeth

Upgrade: With this upgrade, Hunter and also Seeker Cryptids will certainly no much longer snare players with their attacks.

GRILL rating: 3/5

 

Name: Pistol Ark Attachment

Cost: 125 teeth

Upgrade: Replaces the Muzzle Brake on her upgraded pistol through the Ark attachment (basically PaP"s it, shooting lasers).

GRILL rating: 5/5 (This is usually like beginning out through Mustang & Sally"s every zombie match. The pistol ark"s room fantastic, and also make the pistols only relic a item of cake for any kind of map.)

 

Name: Class upgrade Frequency Boost

Cost: 200 teeth

Upgrade: Lessens the cooldown time in between uses the the class upgrades.

GRILL rating: 3/5 (Very good if you have actually some teeth lying around, 200 the them at that. A bit overpriced if girlfriend ask me, but it go it"s just damn well.)

 

Name: Vulture expanded Duration

Cost: 50 teeth

Upgrade: Extends the expression of the Vulture and increases the frequency that the +4 Vulture shoot incendiary rockets.

GRILL rating: 3/5 (the vulture is a powerhouse on it"s own, normally making it stronger makes it more badass - yet it"s not necessary)

 

Name: Master Scavenger

Cost: 200 teeth

Upgrade: Scavenge unique items such as expanded Mags and also the Ark attachment as well as more powerful Hypno Knives and Flares.

GRILL rating: 3/5 (If you have extra this then go for that - however there appears to be a really inconsistent nature involved with getting ark. I"m no going to spend my difficult earned teeth just to gain ark"s sometimes... I desire at the very least one ark every game.)

 

Name: Cryptid Slayer Ammo

Cost: 500 teeth

Upgrade: This special ammo has actually the an unified firepower of all of the present ammo types.

GRILL rating: 3/5 (seems quite cool, however I slay fine together is

*
)

 

Name: Arcing stun Ammo

Cost: 50 teeth

Upgrade: Stun ammo will arc electricity from one Cryptid to one more in near proximity.

See more: Simplify 3/9 In Simplest Form, 3/9 Simplified, Reduce 3/9 To Its Simplest Form

GRILL rating: 1/5 (stun ammo is lame, end of story. Some people swear by it - ns don"t)

 

Name: Double Class

Cost: 1000 teeth

Upgrade: Choose any kind of two Classes v this upgrade. Note: skill points will certainly be applied to both great when applied in game.

GRILL rating: 3/5 (the only reason this isn"t "5/5" is because of the cost. No "average" player could achieve this upgrade, and also it"s silly for IW to include such an unrealistic goal. Only those who have actually grinded 1000"s of escapes will certainly be maybe to accomplish "Double Class", ~ those hundreds of escapes - how much an ext are you yes, really going to want to play?)