More zombies have been killed in Dead Air than the entire population of Knox County, TN, population 423,874.
That is almost more than the entire population of Greenville County, SC, population 428,243!
l4d_airport01_greenhouse
| Difficulty | Playtime | Points (PPM) | Kills | Restarts |
|---|---|---|---|---|
| Normal | 13.85 hours | 246,456 (296.58) | 21,026 | 3 |
| Advanced | 6.52 hours | 247,261 (632.38) | 11,517 | 19 |
| Expert | 12.18 hours | 881,880 (1,206.40) | 20,646 | 39 |
| Total | 1.36 days | 1,375,597 (704.35) | 53,189 | 61 |
l4d_airport02_offices
| Difficulty | Playtime | Points (PPM) | Kills | Restarts |
|---|---|---|---|---|
| Normal | 22.78 hours | 508,737 (372.16) | 32,840 | 7 |
| Advanced | 15.77 hours | 672,041 (710.40) | 23,628 | 110 |
| Expert | 1.60 days | 2,245,739 (974.71) | 49,940 | 329 |
| Total | 3.21 days | 3,426,517 (742.15) | 106,408 | 446 |
l4d_airport03_garage
| Difficulty | Playtime | Points (PPM) | Kills | Restarts |
|---|---|---|---|---|
| Normal | 21.12 hours | 524,922 (414.30) | 36,319 | 36 |
| Advanced | 17.37 hours | 780,857 (749.38) | 29,697 | 153 |
| Expert | 1.73 days | 2,401,252 (966.30) | 61,289 | 537 |
| Total | 3.33 days | 3,707,031 (773.26) | 127,305 | 726 |
l4d_airport04_terminal
| Difficulty | Playtime | Points (PPM) | Kills | Restarts |
|---|---|---|---|---|
| Normal | 14.63 hours | 380,803 (433.72) | 25,381 | 22 |
| Advanced | 10.43 hours | 499,215 (797.47) | 18,313 | 49 |
| Expert | 16.15 hours | 1,216,637 (1,255.56) | 27,969 | 176 |
| Total | 1.72 days | 2,096,655 (847.82) | 71,663 | 247 |
l4d_airport05_runway
| Difficulty | Playtime | Points (PPM) | Kills | Restarts |
|---|---|---|---|---|
| Normal | 17.20 hours | 745,432 (722.32) | 27,254 | 44 |
| Advanced | 14.25 hours | 1,241,951 (1,452.57) | 20,252 | 154 |
| Expert | 18.28 hours | 3,337,858 (3,042.71) | 20,724 | 184 |
| Total | 2.07 days | 5,325,241 (1,784.60) | 68,230 | 382 |
