The game concept was taken from red vs blue series http://rvb.wikia.com/wiki/Red_vs._Blue Warmerise isn't the first red vs blue game.
Wrong Story Heres Real One
Once long years ago in 2070 An cyborgs was sented to earth on their attack Was red team mostly known to have blood why? Because they are cyborgs made out of machine opsite forces aka blue team nanotroopers has sented to fight against them battle was brutal Before they do that in 2030 Rebel ones was rebels but now they are Cyborgs Because of the infection Alot of those soldiers getting blead to death because of the attack unknownly the cyborgs where only ones who hold the gravity gun their king Was named the sky trooper and they have sky trooper in opsite force also they all attacked but one of sky trooper get injured into his leg and all cyborgs got really mad and angry they killed all ops and they all died once they have added strong and upgraded ones with shields red ones start acts like them blue ones are keeping their teammates safe by shield so they dont die they killed all cyborgs FINAL Attack for the cyborgs was TO KILL THE CAPTAIN mostly all them died no one surived against final attack So they make war and make rise this is why game called warmerise once they fight and they found captain dead on his chair all nanotropers got angry and used strong weapons And killed all cyborgs they finally kept humanity safe from being extinct The end