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Augmentation is a new feature introduced in SAS: Zombie Assault 4. Augments are upgrades for guns and armor, and are bought to make said weapons and armors stronger and more useful. Sometimes, the weapon/armor comes with an already applied augment. When you retrieve an armor or weapon from a Strongbox, it comes with 0 to 2/3 augment slots (depending on whether it's a weapon [3 slots max] or armor [2 slots]), each with 1 to 10 levels. Weapons can only have 0 to 3 initial max augment slots, and armor can only have 0 to 2. Elite Augment Cores can be used to add another augment slot, meaning the most augment slots weapons can have is 4, and armor, 3. Additionally, Cores can be used to add another level to the augment slots, up to two more than the max, for a total of 12 levels.

Augmentation Properties

Price vs Lvl
  • You may not augment a weapon or armor with the same augment twice.
  • The cost for augmentation can change through the actual weapon's base cost, weapon grade, different augments, and the level of the augmentation.
  • Augments can only be removed with an Elite Augment Core.
  • Augmentation can only go up to level 12.

Augmentation prices can be estimated with formula:

 (Price) = (Aug Lvl 1 Price) X (Augment Level1.4)

Elite Augment Cores

Main article: Elite Augment Core

Cores are items found in Nantonium strongboxes dropped by Nightmarish Savage Elite Necrosis or Devastators (you can only get a core with this method in Nightmare), and Augmentation Progress Rewards. They can be used to enhance augment grade or slots, remove augments, or increase the stats of a weapon from its base stats.

crafting cost: 300,000 Alloy and 80,000,000 SAS4 cash (PC only, character level 35 required)



Icon (PC) Icon (Mobile) Augment Name Purpose Available on Cost Multiplier
3284 SAS4 mobile Deadly Deadly +10% damage per level All weapons 4
Overclocked SAS4 mobile Overclocked Overclocked +10% RoF per level All Fully Automatic Weapons 4
Piercing SAS4 mobile Piercing Piercing +10% pierce per level All weapons 4
Enlarged SAS4 mobile Enlarged Enlarged +2.5% blast radius per level Rocket Launchers, Ronson WP Flamethrower, and any arcing weapons 4
Tenacious SAS4 mobile Tenacious Tenacious +10% DoT per level All weapons with DoT 2
Capacity SAS4 mobile Capacity Capacity Increases clip size by 10%, 30%, 60%, and +20%/level after that All weapons except Mustang, HVM MPG, Zerfallen and Handkanone 2
Pinpoint SAS4 mobile Pinpoint Pinpoint +3% critical chance for level one, then +1% for each level after that All weapons 2
Adaptive SAS4 mobile Adaptive Adaptive +4% of target's resistance ignored per level from levels 1 to 10; +5% of target's resistance ignored per level from levels 11 to 12 (50% ignorance of resistance against an enemy with 40% resistance results in a net resistance of 20%) All weapons 1
Race Modded and Nimble SAS4 mobile Race Modded and Nimble Race Modded -8% reload time for level one, then -4% for each level after that All weapons 2
Biosynthesis SAS4 mobile Biosynthesis Biosynthesis +3 HP per zombie kill for each level from levels 1 to 10; +4 HP per zombie kill for level 11; +6 HP per zombie kill for level 12 All weapons 2
Skeletonized SAS4 mobile Skeletonized Skeletonized Decreases movement penalty by 10%, 20%, 30%, 40%, 50%,
55%, 60%, 65%, 70%, 75%, 80%, or 85% from levels 1 to 12
Any weapon with a movement penalty greater than 0% 2


Icon (PC) Icon (Mobile) Augment Name Purpose Available on Cost Multiplier
Fortified SAS4 mobile Fortified Fortified See Defense Augments All armors 1
Heat Resistant SAS4 mobile Heat Resistant Heat Resistant See Defense Augments All armors 1
Hazchem SAS4 mobile Hazchem Hazchem See Defense Augments All armors 1
Energised SAS4 mobile Energised Energised +2.5% max. energy per level All helmets and vests 1
Body Fueling SAS4 mobile Body Fueling Body Fueling +2.5% max. hp per level All helmets, vests, and pants 2
Tissue Repair SAS4 mobile Tissue Repair Tissue Repair Increases health regeneration rate by +1, +2, +3, +4, +6, +8, +10, +12, +15, +20, +28, or +38 HP per second from levels 1 to 12 respectively All vests 1
Revitalising SAS4 mobile Revitalising Revitalising Increases energy regeneration rate by .25 energy per second each level All helmets and boots 1
Resuscitating SAS4 mobile Resuscitating Resuscitating +5% recovery speed per level All helmets and vests 1
CQC Enhanced SAS4 mobile CQC Enhanced CQC Enhanced Increases damage to melee attackers by 20, 40, 70, 110, 150, 200, 250, 300, 400, 500, 900, or 1500 damage from levels 1 to 12 respectively All vests 1
Machine Assisted SAS4 mobile Machine Assisted Machine Assisted Increases movement speed. +1.5% at level 1, then +0.75% every level after. Decimals are rounded up in the tooltip, except for level 10 (8.2%) All pants and boots 2
Race Modded and Nimble SAS4 mobile Race Modded and Nimble Nimble +2.5% reload speed per level All gloves 1
Target Assist SAS4 mobile Target Assist Target Assist 2.5% crit chance first level, then + 0.5% per level. Max 8% All helmets 2
Smart Target SAS4 mobile Smart Target Smart Target +2% gun damage from level 1-5, then +1% from level 6-12. Max 17% All helmets 2

Beta Augments

Two other augments existed during an early beta of SAS: Zombie Assault 4 (Accelerated and Enhanced Range), and can still be found in the game's main SWF file along with a third one (Automatic). They were removed at some point and are currently unobtainable.

Icon (PC) Augment Name Purpose Available on (at least)
Accelerated Accelerated Increased projectile speed (Presumption) Rocket Launchers
Automatic Automatic Makes weapon fire automatically (Presumption) Semi-Automatic Weapons
Enhanced Range Enhanced Range "Increases effective range of weapon, decreasing damage drop off." (Official description) Pistols, SMGs, Sniper Rifles, and Assault Rifles

Augment Messages

These are armour augments with different names, dependent on the amount of levels added to it (these are currently not in use).

Augment Grades 1-4 Grades 5-8 Grades 9-12
Fortified Reinforced Fortified Ultra Fortified
Heat Resistant Heat Resistant Fire Proof Heat Impervious
Hazchem Steralizing Toxin Proof Hazchem Enabled
Energised Energised Empowered Hyper Empowered
Body Fueling Invigorating Body Fueling Body Optimizing
Tissue Repair Auto First Aid Tissue Repair Nanobot Repair
Revitalising Electrolytic Injection Revitalising Adrenalized
Resuscitating Life Support Resuscitating Rapid Resuscitating
CQC Enhanced Razored Electrified Plasma Coated
Machine Assisted Swift Machine Assisted Machine Augmented
Target Assist Target Assist Smart HUD Laser Target
Smart Target Focused Smart Target Optimized Target
Nimble Nimble Extra Nimble Dexterity Enhanced

Augment XP (currently incomplete)

5% of the SAS 4 creds spent on augments goes to augment XP.

Augment xp 1
Augment Level Augment XP to Complete rewards when achieved SAS creds spent on augments to complete
1 500 3 sas cred packs 10,000
2 1,500 4 clips of high damage ammo 30,000
3 3,000 1 black strongbox 60,000
4 7,500 1 thulium strongbox 150,000
5 37,500 2 nanotonium strongboxes 750,000
6 100,000 1 elite augment core 2,000,000
7 350,000 1 black strongbox

3 nanotonium strongboxes

8 500,000 1 black key 10,000,000
9 1,000,000 1 elite augment core

1 black key

10 3,000,000 2 elite augment cores

1 black key

11 5,000,000 5 nanotonium strongboxes

1 elite augment core

1 black key

12 data currently not collected 10 nanotonium strongboxes

1 black key

1 skill point

not collected
13 data currently not collected 2 black strongboxes

2 black keys

2 skill points

not collected
14 25,000,000 3 elite augment cores

5 skill points

15 N/A (Completed) N/A (Completed) N/A (Completed)

augment xp table incomplete

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