Left 4 Dead 2 - Left 4 Invasion: Outer Space! Secrets and Alternate Endings

Aliens are attacking the Earth! Fight through redesigns of official maps, discover hidden secrets and unlock alternate endings to save the Earth! 0:00 Map 1 - Hidden code (9) 0:43 Map 1 - Aliens attack and G-Man&intro 2:24 Map 1 - Test map from the author 3:08 Map 3 - Left 4 Dead 3?! 5:32 Map 3 - Hidden G-Man 6:19 Map 4 - "Trapped" Ending 8:46 Map 4 - Hidden code (4) 9:50 Map 5 - "Dead Wedding" Ending 12:31 Map 5 - Hidden code (7) 13:11 Map 6 - Hidden code (1) 13:51 Map 7 - G-Man&speech 16:02 Map 7 - "Back To The Past" Ending 18:01 Map 8 - Hidden G-Man 18:17 Map 10 - G-Man saves the day! 18:48 Map 10 - The Good Ending! Use the code "9471" to destroy the UFO! 24:02 Map 10 - The Bad Ending! Not using the code results in Earth being destroyed! Download the map here: