found a bug with the glasses, the glasses does not work if I come from the left option to right, but it works when I move through the accessory options right to left.
for those who are having difficulties in certain level/stage, check out this screenshot 3d logic complete walkthrough @ http://ayumilove.wordpress.com/2009/03/25/3d-logic-walkthrough-complete-all-30-levels/ If you find this useful, copy paste this message to keep it alive.
For those who are having difficulties defeating the boss, check out this walkthrough. Easy to win boss under 2 minutes. http://ayumilove.wordpress.com/2009/03/09/death-vs-monstar-walkthrough-review-tips/
The method posted by people who copy the guide does not work 100%, even when my virus landed in Madagascar, I had 1 country left which is not infected and it had already closed its shipyard and airport.
here is another bug, before clicking on Start, I had to place the barricade nicely, but the ally chat button was on. So after starting the game, I am not able to tell my mercenary to follow/stay
Here is a simple walkthrough with some useful tips for Days 2 Die http://ayumilove.wordpress.com/2009/03/15/days-2-die-walkthrough-review-discussion-hints-tips/ Hope it helps those who are puzzled with the best range weapon choice.