Here is the full list of all 55 Germ Wars achievements.
Get 5000 total kills.
Die 100 times.
Get 500 kills in one game.
Max out all 8 upgrades.
Get 300 kills in one game.
Inflict 100 000 total pain.
Die 50 times.
Kill 200 Drainers.
Kill 200 Healers.
Kill 200 Breeders.
Kill 200 Chasers.
Play for 5 hours!
Kill 200 Exploders.
Get 200 kills in one game.
Get 1000 total kills.
Kill 100 Drainers.
Kill 100 Chasers.
Kill 100 Healers.
Kill 100 Exploders.
Kill 100 Breeders.
Kill 200 Viruses.
Get 50 kills in one game.
Kill 50 Drainers.
Kill 50 Healers.
Kill 50 Chasers.
Kill 100 Viruses.
Kill 50 Breeders
Kill 50 Exploders.
Inflict 10 000 total pain.
Kill 50 Viruses.
Max out powerbutt strength upgrade.
Max out cooldown upgrade.
Max out blast radius upgrade.
Max out blast strength upgrade.
Max out health upgrade.
Max out health regeneration upgrade.
Max out speed upgrade.
Max out damage upgrade.
Get 100 total kills.
Kill 10 Breeders.
Die 10 times.
Kill 10 Chasers.
Kill 10 Healers.
Kill 10 Drainers.
Reset your upgrades 10 times.
Reset your upgrades once.
Kill 10 Viruses.
Kill 10 Exploders.
Visit the credits screen.
Die once.
Play for 3 hours!
Play for one hour.
Play for 30 minutes.
Get 10 000 total kills.
Inflict 1 000 000 total pain.