Needs a co-op mode, where if one leaks the other can save. Ramp up the mobs during that mod of play, and make the map slightly smaller. Add quad play if that would work, so that 4 players can go at it with a cross board.
Not enough evolution points. I got everyone infected in 10 days, but I couldn't kill them all before 100 days. Even with kidney failure, fatigue, ect. Evolution points should be 1 per day, maybe 2 for Virus since it evolves faster.
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 "Starland Multiplayer TD"){kind=icon}
 "Pandemic 2"){kind=icon}