Zombie Panic! Source
Give it 3 hours
What the data shows
- In the first 2 hours 1 in 3 reviews are negative (36%); after 10h it's 1 in 19 (5%).
- Fully opens up by hour 10.
- The game has no story achievements, so drop-off points can't be measured.
- Only 1% of owners have even the first achievement — the rest barely played.
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 7,874 Steam reviews in every language. Median playtime in a sample of 300 reviews: 6.8h for positive, 1.5h 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 (1.1% of owners), so people who bought the game and never launched it don't count.
This game has no story achievements, so we can't tell where players quit.
All achievements (106)
story milestone ending side
- Fighting for A Greater Cause Complete any official objective map for the first time. 100%
- Dead in the Water Win a round on Aquatica as a Zombie. 91%
- Bad Crops Win a round on Harvest as a Zombie. 91%
- A Survivor is Born Survive any official survival map for the first time. 91%
- Born Leader As the Carrier, lead a group of 5 or more zombies. 82%
- Anti-Vaccination Win a round on Biotec as a Zombie. 82%
- Brainz COMBO to Go Win a round on Cinema as a Zombie. 73%
- Dead Snow Win a round on Frozenheart as a Zombie. 55%
- Unstoppable Claws As the Carrier, kill three survivors in the same life. 46%
- Settling In Win a round on Corpsington as a Zombie. 46%
- Work Strike Win a round on Keretti as a Zombie. 46%
- Hostile Locals Win a round on Murksville as a Zombie. 46%
- Fallout Win a round on Shreddingfield as a Zombie. 46%
- Silent Cruise Win a round on Tanker as a Zombie. 46%
- More Than a Little Turbulence Win a round on Zomboeing as a Zombie. 46%
- Nostalgia As a Survivor, play in a round where everyone is playing as Eugene and Marcus. 36%
- Forceful Admittance Win a round on Asylum as a Zombie. 36%
- Claws and Ordure Win a round on Policestation as a Zombie. 36%
- New Inmates Win a round on Silence as a Zombie. 36%
- Departure Delayed Indefinitely Win a round on Subway as a Zombie. 36%
- Streets of Decay Win a round on Town as a Zombie. 36%
- Changing Sides After being infected, kill a survivor right after turning into a zombie. 36%
- Party Crasher Win a round on Clubzombo as a Zombie. 27%
- Graveyard Guardian Win a round on Deadend as a Zombie. 27%
- New Residents Win a round on Haunted as a Zombie. 27%
- Krueger Win a round on Nightmare as a Zombie. 27%
- Work Hazard Win a round on Pithole as a Zombie. 27%
- Organ Harvest Win a round on Ruralpanic as a Zombie. 27%
- Out of Service Win a round on Thrillvile as a Zombie. 27%
- Multiple Personalities Play a full round as every ZPS character. 18%
- It's for Your Own Good As a Survivor, kill an infected survivor before he turns into a zombie. 18%
- Bloody Eviction Win a round on Blackout as a Zombie. 18%
- Religious Movie Goer Survive Cinema as a Survivor once. 18%
- Should Have Stayed Indoors Win a round on Survival Corpsington as a Zombie. 18%
- Just a Pizza Delivery Guy As a Zombie, kill at least two survivors before the emergency broadcast ends on Harvest. 18%
- Taking Executive Action Complete Keretti as a Survivor once. 18%
- Displeased with The Management Win a round on Survival Keretti as a Zombie. 18%
- Cancelled! Win a round on Sapidcerebrum as a Zombie. 18%
- Six Feet Under Win a round on Underground as a Zombie. 18%
- Introduced to the Fold As the Carrier, infect three survivors in the same round. 9.1%
- ZPS or GPS? As the Carrier, use 'Roar' ability 250 times. 9.1%
- Food Inspector As the Carrier, use your spotting ability on 100 different survivors. 9.1%
- Here's Jonny! Break 80 unfortunate doors. 9.1%
- Die Hard As a Survivor, get hit by 4 different zombies and survive the round. 9.1%
- Sharing Is Caring! Share a full box of ammo with a teammate needing. 9.1%
- Cading Up As a Survivor, barricade 150 times. 9.1%
- OUT! Kill 3 zombies in a row through headshots with the baseball bat. 9.1%
- Special Meat As a Survivor, be spotted by a Carrier 45 times. 9.1%
- Kobe! Kill 3 zombies with one single grenade. 9.1%
- Rest in Pieces Blow yourself up along with 3 zombies using an IED. 9.1%
- Dr. Salk As a Survivor, heal a total of 25 survivors with the white or red inoculator. 9.1%
- Borrowed Time As a Survivor, delay someone's infection with a green inoculator. 9.1%
- World Traveler Play a full round on all of the official maps. 9.1%
- Melee Master Win any round using only melee weapons (requires at least one melee kill). 9.1%
- Bought One, Got One For Free As a Survivor, kill 2 Zombies with a single melee swing. 9.1%
- In Line! Kill 6 consecutive regular zombies by headshots with a revolver without reloading or changing weapons. 9.1%
- 1$ THi$ W0Rk1n/ Do a total of 600 damage with a keyboard. 9.1%
- Buried Kill an infected survivor with a shovel. 9.1%
- Brainz Out Time Kill 30 zombies with a sledgehammer through headshots. 9.1%
- You Need This More than I Do! Share a fully loaded heavy firearm with a teammate needing. 9.1%
- Deep Blue Complete Aquatica as a Survivor once. 9.1%
- Proven Sane Survive Asylum as a Survivor once. 9.1%
- Get to da Choppa! Complete Biotec as a Survivor once. 9.1%
- Club Zombo Lives On Survive Blackout as a Survivor once. 9.1%
- This One Is On the House Survive Clubzombo as a Survivor once. 9.1%
- Music Critic Destroy the sound board in Club Zombo while the music is on. 9.1%
- More Safer than Ever Complete Corpsington as a Survivor once. 9.1%
- Running On Fumes Survive Corpsington as a Survivor once. 9.1%
- U-Turn Survive Deadend as a Survivor once. 9.1%
- TATSRAVE Find a way to activate the radio inside the church on Deadend. 9.1%
- Almost Below Zer0 Complete Frozenheart as a Survivor once. 9.1%
- Broad Side of a Barn Complete Harvest as a Survivor once. 9.1%
- Moving In Survive Haunted as a Survivor once. 9.1%
- There You Are! As a Survivor, kill the zombie who is carrying the keycard on Aquatica. 9.1%
- Key Grip As a Survivor, open the secret bonus room on Biotec. 9.1%
- Human Carrier As a Survivor, push the generator all the way up until the end on Corpsington. 9.1%
- Gasso Fanatic As a Survivor, find and fill up 50 gas cans in the generator on Frozenheart. 9.1%
- Plumber As a Survivor, destroy all the toilets in Sapid Cerebrum. 9.1%
- Grave Encounters As a Survivor, be the last man standing and win the round on Silence. 9.1%
- Always Have a Plan B! As a Survivor, escape through the alternative route on Subway. 9.1%
- Delivery Boy As a Survivor, find and deliver 20 supply crates on Zomboeing. 9.1%
- Grand Theft Auto As a Survivor, hotwire the truck 25 times on Zomboeing. 9.1%
- Second Time's the Charm! Survive Keretti as a Survivor once. 9.1%
- Part Time Ship-Mechanic Complete Murksville as a Survivor once. 9.1%
- Lucid Dreaming Survive Nightmare as a Survivor once. 9.1%
- OSHA Survive Pithole as a Survivor once. 9.1%
- Vigilante Survive Policestation as a Survivor once. 9.1%
- Settling Down Survive Ruralpanic as a Survivor once. 9.1%
- Keep LIVE! Survive Sapidcerebrum as a Survivor once. 9.1%
- Duck and Cover Complete Shreddingfield as a Survivor once. 9.1%
- Quiet Rehabilitation Survive Silence as a Survivor once. 9.1%
- In Transit Complete Subway as a Survivor once. 9.1%
- CLAWS Complete Tanker as a Survivor once. 9.1%
- Another Weekly Visit Survive Thrillvile as a Survivor once. 9.1%
- Night Out Survive Town as a Survivor once. 9.1%
- Reach for the Surface Survive Underground as a Survivor once. 9.1%
- Can't... Read As a Zombie, steal the documents before the survivors obtain them on Aquatica. 9.1%
- No Fun Allowed As a Zombie, do a total of 800 damage on Thrillville. 9.1%
- Neville Flynn Complete Zomboeing as a Survivor once. 9.1%
- Carrier's Right Claw As a Zombie, have a total of 100 kill assists. 9.1%
- Feeding Frenzy As a Zombie, assist in killing two survivors while berserk mode. 9.1%
- Deconstruction As a Zombie, destroy 50 barricades. 9.1%
- My Burning Love As a Zombie, set a survivor on fire. 9.1%
- Insatiable Hunger As a Zombie, kill 50 survivors with headshots. 9.1%
- Propaholic As a Zombie, destroy 150 breakable props. 9.1%
- Couch Potatoed As a Zombie, prop kill a survivor. 9.1%