Originally Posted by cyanidespirit
all i can say is pick one of the corners of the room and just play as humongasaur until the flying enemies appear, then quickly alternate between jetray to take out the flying guys, then switch back to humongasaur to take out the ground enemies, then rinse and repeat till you get the achievement. Believe it or not, i survived for about 10 minutes using this method and stayed at the top of the survival leaderboards for one day lol.
wow thx dude it work now i have it
"R.I.P FRIZZBIT 1991 - 2004"
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