I gained the first two achievements by playing the game normally.
The third achievement is impossible to gain. You would have to spend all your money. But you need torrents or snipers for the monsters.
So I made the 3rd achievement with Icy Blazer's hind.
Because I hate people, I enjoyed it very much to watch them dieing. ^^
I did it with:
1) Pick Virus. 2) Start in any country with an airport or seaport, or madagascar. 3) Sell starting symptoms (if any), other than sneezing . If you don’t have sneezing, buy it and airborne transmissions. 4) Buy 1-1-1-0 resistances. 5) Once your disease spreads to 3 countries, sell sneezing to get rid of visibility. 6) Wait until all countries are infected. If Madagascar closes or this is after day 30, restart. 7) Buy all 4 Drug Resistance and buy sneezing, coughing, vomiting. 8) After a few days, unlock tier 2-3 keeping whatever symptoms it gives you. 9) Buy fever, fatigue, diarrhea, pulmonary edema, hypersensitivity, and hemorrhaging. 10) Wait until everyone dies. Copy and paste this if it worked for you.
Startlocations: Australia, Cuba
Great game! Please add some more levels but leave the game as it is. There is no need for colors, locking and other things people are asking for. If you make such changes you can put it on teletubbies.com.
EDIT: If someone thinks 50 levels are too much, just pass level 30. After that there are 15 small levels following.