
Steam app 678800
SAS: Zombie Assault 4
Data source: Steam Web APILast updated: How we collect this data
SAS: Zombie Assault 4 player count chart
SAS: Zombie Assault 4 has a small but active player base. 132 people are playing it on Steam right now. Over the last 30 days its player count has been growing (up 24% on the month before).
History from Oct 1, 2017
SAS: Zombie Assault 4 monthly player count
| Month | Avg. players | % Gain | Peak players |
|---|---|---|---|
| November 2026 | 121 | -4.72% | 190 |
| October 2026 | 127 | +25.74% | 196 |
| September 2026 | 101 | +0.66% | 153 |
| August 2026 | n/a | -5% | 152 |
| July 2026 | n/a | -9.09% | 160 |
| June 2026 | n/a | -4.86% | 176 |
| May 2026 | n/a | -1.6% | 185 |
| April 2026 | n/a | -23.89% | 188 |
| March 2026 | n/a | +50.61% | 247 |
| February 2026 | n/a | -10.87% | 164 |
| January 2026 | n/a | -7.54% | 184 |
| December 2025 | n/a | -16.03% | 199 |
| November 2025 | n/a | +10.75% | 237 |
| October 2025 | n/a | +1.9% | 214 |
| September 2025 | n/a | -19.23% | 210 |
| August 2025 | n/a | +17.65% | 260 |
| July 2025 | n/a | -25.08% | 221 |
| June 2025 | n/a | +1.03% | 295 |
| May 2025 | n/a | +39.71% | 292 |
| April 2025 | n/a | +1.95% | 209 |
| March 2025 | n/a | -5.09% | 205 |
| February 2025 | n/a | -12.55% | 216 |
| January 2025 | n/a | +3.78% | 247 |
| December 2024 | n/a | -24.2% | 238 |
| November 2024 | n/a | -7.65% | 314 |
| October 2024 | n/a | +44.07% | 340 |
| September 2024 | n/a | +10.8% | 236 |
| August 2024 | n/a | +2.4% | 213 |
| July 2024 | n/a | -9.57% | 208 |
| June 2024 | n/a | +9.52% | 230 |
| May 2024 | n/a | -13.22% | 210 |
| April 2024 | n/a | -2.81% | 242 |
| March 2024 | n/a | -7.43% | 249 |
| February 2024 | n/a | +14.96% | 269 |
| January 2024 | n/a | -1.68% | 234 |
| December 2023 | n/a | +0.42% | 238 |
| November 2023 | n/a | -6.69% | 237 |
| October 2023 | n/a | -7.64% | 254 |
| September 2023 | n/a | +10% | 275 |
| August 2023 | n/a | -14.09% | 250 |
| July 2023 | n/a | +0% | 291 |
| June 2023 | n/a | +0.69% | 291 |
| May 2023 | n/a | -6.77% | 289 |
| April 2023 | n/a | +3.68% | 310 |
| March 2023 | n/a | +0% | 299 |
| February 2023 | n/a | -3.55% | 299 |
| January 2023 | n/a | +0.32% | 310 |
| December 2022 | n/a | -6.65% | 309 |
| November 2022 | n/a | -21% | 331 |
| October 2022 | n/a | -7.3% | 419 |
| September 2022 | n/a | +37.39% | 452 |
| August 2022 | n/a | +8.58% | 329 |
| July 2022 | n/a | -7.62% | 303 |
| June 2022 | n/a | -23.19% | 328 |
| May 2022 | n/a | +1.67% | 427 |
| April 2022 | n/a | +26.89% | 420 |
| March 2022 | n/a | +1.22% | 331 |
| February 2022 | n/a | +1.87% | 327 |
| January 2022 | n/a | +7.72% | 321 |
| December 2021 | n/a | -16.76% | 298 |
| November 2021 | n/a | -9.82% | 358 |
| October 2021 | n/a | +64.05% | 397 |
| September 2021 | n/a | -1.22% | 242 |
| August 2021 | n/a | -6.49% | 245 |
| July 2021 | n/a | -5.42% | 262 |
| June 2021 | n/a | +4.92% | 277 |
| May 2021 | n/a | +6.45% | 264 |
| April 2021 | n/a | -9.49% | 248 |
| March 2021 | n/a | +0% | 274 |
| February 2021 | n/a | -7.74% | 274 |
| January 2021 | n/a | +14.67% | 297 |
| December 2020 | n/a | -0.38% | 259 |
| November 2020 | n/a | +1.96% | 260 |
| October 2020 | n/a | +10.39% | 255 |
| September 2020 | n/a | -4.94% | 231 |
| August 2020 | n/a | +5.65% | 243 |
| July 2020 | n/a | -6.88% | 230 |
| June 2020 | n/a | -19.02% | 247 |
| May 2020 | n/a | -3.17% | 305 |
| April 2020 | n/a | -2.78% | 315 |
| March 2020 | n/a | +36.71% | 324 |
| February 2020 | n/a | +3.49% | 237 |
| January 2020 | n/a | +9.05% | 229 |
| December 2019 | n/a | -13.58% | 210 |
| November 2019 | n/a | +0.83% | 243 |
| October 2019 | n/a | -10.74% | 241 |
| September 2019 | n/a | +25% | 270 |
| August 2019 | n/a | +1.41% | 216 |
| July 2019 | n/a | -9.75% | 213 |
| June 2019 | n/a | -18.62% | 236 |
| May 2019 | n/a | +5.07% | 290 |
| April 2019 | n/a | +0.36% | 276 |
| March 2019 | n/a | +1.48% | 275 |
| February 2019 | n/a | -1.09% | 271 |
| January 2019 | n/a | +11.84% | 274 |
| December 2018 | n/a | -12.5% | 245 |
| November 2018 | n/a | -1.06% | 280 |
| October 2018 | n/a | -6.91% | 283 |
| September 2018 | n/a | +7.8% | 304 |
| August 2018 | n/a | -7.84% | 282 |
| July 2018 | n/a | +15.91% | 306 |
| June 2018 | n/a | -9.9% | 264 |
| May 2018 | n/a | +0.34% | 293 |
| April 2018 | n/a | -8.18% | 292 |
| March 2018 | n/a | -11.67% | 318 |
| February 2018 | n/a | -28.99% | 360 |
| January 2018 | n/a | -25.22% | 507 |
| December 2017 | n/a | -35.24% | 678 |
| November 2017 | n/a | -30.06% | 1,047 |
| October 2017 | n/a | n/a | 1,497 |
How many people are playing SAS: Zombie Assault 4?
Right now, 132 players are in SAS: Zombie Assault 4 on Steam. That makes it the #2,440 most played game on Steam at the moment. In the last 24 hours it peaked at 157 players. Today's peak is 5% below its 30-day average daily peak of 165.
SAS: Zombie Assault 4 player count history
Over the last 30 days SAS: Zombie Assault 4 averaged a daily peak of 165 players, up 24% compared with the 30 days before (133). Its highest point this month (196) is 17% below the same period last year (237). In its first month after release (Oct 16, 2017) it peaked at 1,047 players. Today's player count is 9% of its all-time peak of 1,497, set on Oct 1, 2017.
Best time to play SAS: Zombie Assault 4
Based on the last 14 days, SAS: Zombie Assault 4 is busiest around 19:00 UTC (2 PM in New York) and quietest around 07:00 UTC (2 AM in New York), when about 35% fewer people are online. For the fastest matchmaking, play close to the peak hour.
Other Free to Play games like SAS: Zombie Assault 4 by player count
SAS: Zombie Assault 4 players by hour and weekday
When SAS: Zombie Assault 4 has the most players online, by weekday and hour, shown in your time zone. Busy hours mean faster matchmaking and fuller servers; quiet hours are best for solo play.
Average players for each hour of the week over the last 28 days, from our Steam player counts.
Compare SAS: Zombie Assault 4 with similar games
- SAS: Zombie Assault 4 vs Unturned
- SAS: Zombie Assault 4 vs No More Room in Hell
- SAS: Zombie Assault 4 vs Left 4 Dead 2
Player counts, peaks, reviews and prices side by side. Compare any Steam games
About SAS: Zombie Assault 4
Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.
- Developer
- Ninja Kiwi
- Released
- Oct 16, 2017
- Genre
- Action, RPG, Free To Play
- Steam Deck
- Verified
- Languages
- 1 language
Screenshots
SAS: Zombie Assault 4 price
SAS: Zombie Assault 4 is free to play on Steam.
Get SAS: Zombie Assault 4 alerts by email
SAS: Zombie Assault 4 reviews over time
Positive and negative Steam user reviews per month, from Steam's review history.
SAS: Zombie Assault 4 on Twitch
Twitch category "SAS: Zombie Assault 4", sampled every 30 minutes since Oct 13, 2026. Most watched games on Twitch
SAS: Zombie Assault 4 achievements
SAS: Zombie Assault 4 has 64 Steam achievements. On average a player has unlocked 10.6% of them; the rarest, Vehicular Manslaughter, is held by 0.7% of players.
Level UpReach level 2 with one character85.2%
CleanupSlow 5,000 zombies with the Biocleanse Bomb skill (Medic class)68.6%
For MeOpen 10 Strongboxes51.0%
AugmentedAdd your first augment to any weapon or armor piece50.9%
ImpoundedKill 5 or more zombies with a single car explosion39.5%
Goes Up to 11Reach level 11 with one character26.9%
UpgradedFill any augmentation slot up to grade 5 on any single weapon or armor piece26.9%
NLLComplete Last Stand without a single zombie getting through26.5%
HeroRescue every single survivor on the Survivors map21.0%
Mo BettaMake a total of 50 augmentations across all weapon and armor pieces18.8%
None Shall PassDefeat all zombies on Onslaught without allowing either of the ramp doors to fall17.7%
BoxerOpen 100 Strongboxes15.9%
You Shamble, I ScramblePulverize 5,000 Shamblers15.6%
Complete SetEncounter and destroy 1 of each zombie, elite, and boss type13.9%
Loose ChangePick up $1,000,000 in SAS4 Cash loot drops11.7%
StalkeeObliterate 5,000 Stalkers11.5%
Top 10Fill any augmentation slot up to grade 10 on any single weapon or armor piece11.1%
You Have No SecretsFind all hidden stashes in the the original 7 maps11.0%
PrecisionDo not open any pods besides the boss pod10.8%
Run, Zombie, RunKneecap 5,000 Runners10.6%
My Little FriendKill 5,000 zombies using turrets9.3%
Oh SpitChew up 5,000 Spitters9.0%
RedecoratorDestroy every breakable object in the VIP's mansion8.2%
LiposuctionDrop 5,000 Bloaters7.3%
Shields DownBash through 5,000 Shielders7.0%
Hard LineComplete Last Stand without letting a single zombie past the first barrier6.9%
Not TodayResist 1,000 zombie attacks using the Die Another Day skill (Heavy class)6.9%
Drift KingFlatten 20 zombies with a single drift6.3%
50 CalReach level 50 with one character5.7%
Hit and RunCrush a boss zombie while driving a vehicle5.2%
Pistol WhippedBash 1,000 zombies using the Close Quarters Combat skill (Assault class)3.5%
Test DrivenLevel up an Assault, Medic, and Heavy character to level 103.4%
TransporterEvacuate the VIP without him taking any damage3.3%
QuicksilverApply 25 total skill points on a single character between Fast Reload and Fast Movement (at least 5 points in each)3.1%
Full StablesHold a level 20 character in each of the 3 character slots2.8%
NecrophobeSnuff 1,000 Necrosis bosses along with all 3 children2.8%
Weapon SpecialistMake a total of 1,000 augmentations across all weapons2.5%
ZeroAllow every survivor to, well, not survive2.2%
Field CommanderWipe out 10,000 zombies with the Assault Team skill (Assault class)2.0%
RecyclerSell 5,000 weapons or gear pieces2.0%
TankApply 25 total skill points on a single character between Toughness and Body Armor Expert (at least 5 points in each)2.0%
Zombie ReaperPersonally curb stomp 1,000,000 zombies2.0%
GrenadierKill 5,000 zombies using grenades1.9%
Armor SpecialistMake a total of 1,000 augmentations across all armor pieces1.7%
Zero CasualtiesComplete Power Out without any player on a 4 player team taking any damage from the central turrets1.7%
Eco WarriorComplete Recovery without ever entering a vehicle1.7%
DevastationEviscerate 1,000 Devastators1.6%
HackedTerminate 1,000 Zombie Mechs1.6%
Zombie Heal ThyselfHeal to death 10,000 zombies with the Zombie Antidote skill (Medic class)1.6%
FiremanExtinguish 1,000 Wickers1.5%
HurlDe-worm 1,000 Regurgitators1.5%
RegeneratorApply 25 total skill points on a single character between Health Regen and Energy Regen (at least 5 points in each)1.5%
Most Toys WinsOpen 10,000 Strongboxes1.4%
Team SprintComplete Vaccine with a 4 player team where you extract the vaccine and get all 4 players on the ship in less than 5 minutes1.4%
Zombies Go BoomVaporize 10,000 zombies with the Aerial Bombardment skill (Heavy Class)1.3%
Map Master, PodsSuccessfully defeat the pods 1,000 times1.2%
Map Master Last StandMake 1,000 successful stands1.1%
Map Master OnslaughtSuccessfully defend the ship 1,000 times1.1%
Map Master Power OutSuccessfully complete Power Out 1,000 times1.1%
Map Master, SurvivorsSurvive Survivors 1,000 times1.1%
Showing the 60 most unlocked of 64 achievements.
Global unlock rates from Steam, most common first.
Latest SAS: Zombie Assault 4 news and patch notes
- Oct 28, 2026 ZOMBIE ASSAULT: RESURGENCE IS OUT NOW!
- Oct 2, 2026 Resurgence of Combot!
- Feb 24, 2026 Zombie Assault: Resurgence, Demo Live Now!
- Jan 30, 2026 Zombie Assault: Resurgence, Dev Diary #13, Steam Next Fest!
- Dec 12, 2025 [ SAS INTERNAL COMMUNICATIONS, SECURE ] >>
- Oct 24, 2025 [ SAS EMERGENCY TRANSMISSION, SAON ]
- Aug 9, 2025 Despite the setbacks, our mission is unchanged.
- Aug 4, 2025 Zombie Assault: Resurgence, Dev Diary #8: Playtest Announcement!
Official announcements from the developer on Steam.
SAS: Zombie Assault 4 FAQ
Is SAS: Zombie Assault 4 dead?
SAS: Zombie Assault 4 has a small but active player base. 132 people are playing it on Steam right now. Over the last 30 days its player count has been growing (up 24% on the month before).
How many people play SAS: Zombie Assault 4?
132 people are playing SAS: Zombie Assault 4 on Steam right now. In the last 24 hours it peaked at 157 concurrent players.
What is the all-time peak player count for SAS: Zombie Assault 4?
SAS: Zombie Assault 4 reached its all-time Steam peak of 1,497 concurrent players on Oct 1, 2017.
Is SAS: Zombie Assault 4 growing or declining?
SAS: Zombie Assault 4 is growing. Its average daily peak over the last 30 days was 165, up 24% compared with the previous 30 days.
When is SAS: Zombie Assault 4 most active?
SAS: Zombie Assault 4 usually has the most players around 19:00 UTC (2 PM in New York) and the fewest around 07:00 UTC (2 AM in New York).
Is SAS: Zombie Assault 4 free?
Yes, SAS: Zombie Assault 4 is free to play on Steam.
Is SAS: Zombie Assault 4 good?
Steam players rate SAS: Zombie Assault 4 Very Positive: 86% of 9,112 reviews are positive.
When did SAS: Zombie Assault 4 come out?
SAS: Zombie Assault 4 was released on Steam on Oct 16, 2017.
Who made SAS: Zombie Assault 4?
SAS: Zombie Assault 4 was developed by Ninja Kiwi.
Is SAS: Zombie Assault 4 still worth playing?
SAS: Zombie Assault 4 has a smaller but active community on Steam today (132 playing right now), and players still rate it well (Very Positive).
RageQuit Charts is not affiliated with Valve Corporation. Steam and the Steam logo are trademarks of Valve Corporation. Player counts come from the official Steam Web API. RageQuit Charts is not affiliated with Twitch. Twitch is a trademark of Twitch Interactive, Inc. Viewer numbers, channel names and profile images come from the official Twitch API.













