Treat your first disease.
Complete the tutorial.
Eradicate your first disease.
Cure your first disease.
Win a game on introductory difficulty.
Win a game on standard difficulty.
Win a game on legendary difficulty.
Win a game on heroic difficulty.
Win 5 games.
Win 15 games.
Win 100 games.
Win 40 games.
Win a game on the last round.
Eradicate 2 diseases in a game.
Eradicate all 4 diseases in a game.
Eradicate 3 diseases in a game.
Win a game with the "dream team" (the medic, the scientist and the researcher).
Win a game with a 5 members team.
Win 10 games on Virulent Strain challenge mode.
Win a game on Virulent Strain Challenge mode.
Win with 12 or more cards left in the player deck.
Win with 18 or more cards left in the player deck.
Win without triggering any outbreaks.
Win with 24 or more cards left in the player deck.