SAS: Zombie Assault 4

The year is 3104, and humanity teeters on the edge of extinction. On the distant planet of Thera, a devastating virus outbreak has unleashed a rapidly mutating zombie horde—grotesque, evolving, and unstoppable. The only line of defense left? The SAS, a highly trained and heavily armed special forces team tasked with saving the last remnants of civilization.

From the creators of Bloons TD 5 comes the most intense, feature-packed zombie shooter on mobile—SAS: Zombie Assault 4! Choose from 3 powerful classes, build your perfect character using deep skill trees, and equip yourself with the most brutal weapons and gear in the galaxy. 

High-Intensity Zombie Shooter Gameplay

Face wave after wave of undead enemies—each more twisted and terrifying than the last. Battle across 7 challenging story-driven maps with unique objectives and level designs. Expect screen-filling swarms, evolving zombies, and grotesque boss creatures that vomit acid worms or go berserk in rage mode.

Epic Weapons & Gear Loot System

Choose from over 160 unlockable guns and armor pieces. Equip two rifle-class weapons and one sidearm from a vast arsenal that includes:

· SMGs

· Shotguns

· Assault Rifles

· Flamethrowers

· Rocket Launchers

· Lightning Guns

Armor up for resistance against physical, thermal, or chemical damage, and discover rare augmentations to boost fire rate, reload time, damage, and healing.

RPG-Style Class Upgrades

Select from 3 powerful classes:

· Assault – Fast, agile, deadly.

· Medic – Heal and support the squad.

· Heavy Gunner – Tanky and brutal.

Each class has its own skill tree with 19 upgradable abilities, allowing deep customization and tactical synergy in multiplayer.

4-Player Online Co-op

Quickmatch into a seamless co-op session with up to three players, or team up with friends. Use coordinated tactics like turret placements, room-clearing abilities (e.g., Assault Team, Zombie Antidote), and environmental cover to survive the undead onslaught.

Tons of Replayable Content

Replay missions to farm loot, increase your rank, unlock RED-grade weapons, and dominate with powerful combinations of weapons and skills. With dynamic enemies and scalable difficulty, every match is a new challenge.

FAQs

1. Can I play SAS: Zombie Assault 4 offline?

No, an internet connection is required to play, especially for syncing data and accessing co-op features.

2. Is SAS 4 free to play?

Yes, the game is completely free to download and play. However, some items and upgrades can be purchased via in-app purchases (optional).

3. What are the character classes in the game?

You can choose from 3 classes: Assault, Medic, and Heavy Gunner—each with unique abilities and skill trees for custom playstyles.

4. Is there a gore-free version for younger players?

Yes! You can disable blood and gore effects by toggling the "Gore" setting off in the game’s options menu.

5. How do I unlock new weapons and gear?

Weapons and armor can be found in loot drops, strongboxes, and by ranking up. Strongboxes may contain rare or powerful gear with upgrade options.

Version History

v2.0.2—14 Dec, 2023

*Various minor fixes aimed at improving game stability

v2.0.1—3 Oct, 2022

*Bug fixes and performance improvements

Time to hit the road! An all new level is waiting on the planet of Montano.

Jump into the driver’s seat of one of the brand new cars and battle through the abandoned streets fighting hordes of zombies and the new gun-toting Scavenger enemies. Race to retrieve a mysterious artefact from space. Let's roll out!

v2.0—21 Sep, 2022

Time to hit the road! An all new level is waiting on the planet of Montano.

Jump into the driver’s seat of one of the brand new cars and battle through the abandoned streets fighting hordes of zombies and the new gun-toting Scavenger enemies. Race to retrieve a mysterious artefact from space. Let's roll out!