An alien invasion has devastated Earth with a death toll in the billions. Earth's coalitions must work together to fight back from the brink and save the human race.LEVEL 7 [INVASION] is a standalone cooperative game of global strategy set in the LEVEL 7 universe that follows the events of LEVEL 7 [ESCAPE] LEVEL 7 [ESCAPE]: Lockdown and LEVEL 7 [OMEGA PROTOCOL].