Zombie Army 4: Dead War
Give it 3 hours
What the data shows
- In the first 2 hours almost 1 in 2 reviews are negative (42%); after 10h it's 1 in 11 (9%).
- Fully opens up by hour 4.
- 24% of players who start reach the ending.
- The biggest drop-off is between “Choo choo!” (Complete Dead Ahead on any difficulty) and “The boat can leave now...tell the crew” (Complete Death Canal on any difficulty): from 85% to 54% of starters.
- 87% of owners got the first achievement.
When it gets good
Share of positive reviews by how many hours the reviewer had played when writing the review.
before it gets good opening up fully opened up
Based on all 12,401 Steam reviews in every language. Median playtime in a sample of 298 reviews: 14h for positive, 6.6h for negative. Almost every game is rated lower in the first 2–3 hours: that window includes refunds and quick first impressions. What matters is how deep the dip is and how fast the game recovers.
Where players quit
Share of players who started the game and reached each story milestone. 100% is the most common achievement (86.7% of owners), so people who bought the game and never launched it don't count.
- Started playing 100%
- Choo choo! Complete Dead Ahead on any difficulty. 85% −15
- The boat can leave now...tell the crew Complete Death Canal on any difficulty. Most players quit here 54% −30
- Weird science Complete Meat Locker on any difficulty. 44% −10
- Look mummy! A shark! Complete Zombie Zoo on any difficulty. 40% −4
- In the dark dark woods... Complete Rotten Coast on any difficulty. 36% −4
- All of this has happened before… Complete Molten Nightmare on any difficulty. 33% −3
- All roads lead to Rome Complete All Roads Lead To Hell! on any difficulty. 30% −3
- You're all going to die down here Complete Hell Base! on any difficulty. 28% −2
- He did Nazi that coming Complete Hell Machine! on any difficulty. 28%
- Is it over? Complete the Campaign on any difficulty. 24% −4
story milestone ending biggest drop-off
Story milestones were labeled by AI from achievement names and descriptions; mistakes are possible.
All achievements (70)
story milestone ending side
- Shoot it, man! Shoot it in the head! Headshot a Zombie post resurrection. 100%
- Say goodbye, creep! Kill a Zombie using the Blade Melee Special Attack. 94%
- Blood Splattered Reach rank 5. 90%
- Choo choo! Complete Dead Ahead on any difficulty. 85%
- Groovy Change your characters appearance, such as with a hat or costume. 70%
- Cleanup on aisle 4! Kill a Suicider with his own explosives. 70%
- The boat can leave now...tell the crew Complete Death Canal on any difficulty. 54%
- Chain reaction Kill 50 Zombies in a row without missing a shot. 54%
- Stand back boy! Kill 3 enemies with one blast from a Preacher. 51%
- Gold Earn a Gold Medal on any chapter. 51%
- Double tap Finish a level with 5 or less zombies resurrecting. 48%
- Cranial blowout! Get an unbroken 10-headshot streak. 47%
- Weird science Complete Meat Locker on any difficulty. 44%
- Give me something to shoot! Kill a Sniper whilst they are jumping between vantage points. 42%
- What did you say, Blain? Complete 4 level sections without using a medkit. 42%
- Look mummy! A shark! Complete Zombie Zoo on any difficulty. 40%
- In the dark dark woods... Complete Rotten Coast on any difficulty. 36%
- I never liked them anyway Kill a friend who has resurrected as a zombie. 34%
- Every bullet counts Get 3 headshots with one bullet. 33%
- All of this has happened before… Complete Molten Nightmare on any difficulty. 33%
- Come and get it! It's a running buffet! Kill 20+ enemies with 1 explosive. 33%
- All roads lead to Rome Complete All Roads Lead To Hell! on any difficulty. 30%
- Zombie killin' machine Kill 5000 enemies of any kind. 29%
- You've got red on you Perform 50 Takedowns in total. 28%
- You're all going to die down here Complete Hell Base! on any difficulty. 28%
- He did Nazi that coming Complete Hell Machine! on any difficulty. 28%
- Got your back Kill 50 enemies that are actively attacking other players. 26%
- Kill of the Week Drop a pallet of Artillery Shells on a Zombie. 25%
- Is it over? Complete the Campaign on any difficulty. 24%
- Shock therapy Kill 20 zombies with Electric Punch Special Attack. 20%
- Gore Soaked Reach rank 50. 17%
- Take them down screaming Perform a takedown on a Blind Screamer. 16%
- Into the deep Complete 12 consecutive Waves and escape from the Horde Map "Into the Darkness". 15%
- Leave the limbs you've lost Sever 10,000 limbs. 15%
- Everyone's a mad scientist, life is the lab Complete Terror Lab on any difficulty 13%
- Bad Blood Complete Blood Count on any difficulty. 12%
- I'm going deeper underground Complete Deeper than Hell on any difficulty. 10%
- The bigger they are... Kill 5 Heavies with takedowns. 10%
- Weapons Expert Complete the weapon mastery for any weapon. 10%
- Well Equipped Complete a level with 5 Gold Level Perks equipped. 8.8%
- Take a little bit of Italy with you Complete 12 consecutive Waves and escape from the Horde Map "Villa Della Morte". 7.6%
- Not today you won't Complete 12 consecutive Waves and escape from the Horde Map "The Bitter End". 6.8%
- This is no Sunday School picnic! Complete the Campaign on Hard difficulty. 6.2%
- Staring at Shadows Complete 12 Waves and escape from Horde Map 'Undead Wood' 6.1%
- I told you we should have gone to the beach Complete 12 consecutive Waves and escape from the Horde Map "Dead in the Water". 6.1%
- Damnedbusters Complete Damnation Valley on any difficulty. 5.8%
- Plane sailing Complete Alpine Blitz on any difficulty. 5.5%
- I never redoubted you! Complete Dead Zeppelin on any difficulty. 5.3%
- I can do anything I want, I got guns Complete the weapon mastery for 3 weapons. 5.2%
- They're coming to get you Barbara Complete 12 consecutive Waves and escape from the Horde Map "Final Departure". 5.1%
- Something wicked this way comes Complete 12 consecutive Waves and escape from the Horde Map "Caged Fear". 5.0%
- A Gross Gross Survive 144 Waves in total. 5.0%
- People don't change. We go round in circles Complete 12 consecutive Waves and escape from the Horde Map "Graveyard Shift". 4.8%
- The blighters got through a second time. Complete 12 consecutive Waves and escape from the Horde Map "Frozen in Fear" 4.8%
- Send me an angel Perform all Heroic Actions. 4.8%
- Have you tried turning it off and on again? Complete Terminal Error on any difficulty. 4.4%
- Gotcha, didn't I? Kill all Zombie Hand collectibles. 4.4%
- Kali Ma Complete Abaddon Asylum on any difficulty. 4.3%
- Hoarder Find all Journals, Comics, and hidden Weapon Upgrade Tokens. 4.2%
- Total protonic reversal Complete Return to Hell on any difficulty. 4.0%
- Hail to the King, baby! Reach rank 100. 3.9%
- Day Trip to Purgatory. Complete 12 consecutive Waves and escape from the Horde Map "Hell's Cauldron". 3.7%
- Tough luck, chum! Complete Ragnarök - Part I on any difficulty. 3.7%
- Call of the Void Complete Ragnarök - Part II on any difficulty. 3.6%
- A friend in need Revive other players 50 times. 3.5%
- Deadmouth sheds Complete 12 consecutive Waves and escape from the Horde Map "Death Collector". 3.3%
- I'm a Survivor! Complete 20 waves in a row on any Horde Map. 3.1%
- That's a lot of them, and only 4 of us Complete every campaign level with a full team of four players. 2.8%
- Just me and my trusty sidearm Reach wave 6 on any Horde Map without picking up a Primary or Secondary weapon. 2.8%
- None More Hard Complete the Campaign on Nightmare difficulty. 1.5%