L4D2: Backroom Motion and Liminal

/////////////////////////Time Survival 00:00 - 7:59 2nd Attempts 8:00 - 18:27 3rd Attempts 18:28 - 29:13 Liminal 29:14 - 42:37 Stage 2 42:38 - 45:20 3 Remaining 45:20 - 52:50 2 of us Left 52:51 - 1:00:12 Stage 3 (Death) 1:00:13 - 1:06:03 Stage 3 1:06:04 - 1:09:10 3 of Us Left 1:09:11 - 1:12:04 Finale Start 1:12:05 - 1:13:32 Finale Tank 1:13:33 - 1:14:22 2nd Wave 1:14:23 - 1:16:12 2nd Wave Tank 1:16:13 - 1:17:17 End Credit 1:17:18 - 1:19:12