Here is the full list of all 41 Infectonator 3: Apocalypse achievements.
Kill 1 Human
Use a Grenade to destroy a Wall
Infect 4 Humans with 1 Virus Deployment
Infect every single continent
Purchase a Zombie Upgrade
Evolve a Zombie
Unlock all types of Zombies
Destroy a Region
Destroy a Continent
Kill all Bosses
Gain a Victory by Destroying all Continents
Gain Victory in 2 Playthroughs
Gain 500,000 Score from a Playthrough
Lose a Game by letting the Cure reaches 100%
Watch the News 500 Times
Increase a total of 1000 Panic (Regional and Global)
Make the Human deploy the Z.I.T. Unit
Let 500 Zombies be killed by Humans
Get a Perfect Big Stage without deploying the Virus
Unlock the Disco Zombie
Unlock Teemoon and Tayrong
Unlock the Goben Zombie
Unlock the Demogrogo Zombie
Unlock the Drumph Zombie
Unlock the Kim Jangon Zombie
Unlock the Yeti Zombie
Unlock the Doomon Zombie
Unlock the Mummy Zombie
Unlock the Draculo Zombie
Kill the Rambeau
Kill the Super Hentais
Kill Justin Beaver
Kill Jones Bondo
Kill Pablo Escargot
Kill Beardimir Pudin
Kill the Zimba Kovfefe
Kill the Komodomo
Kill The Bastard
Kill The Red Lady
Kill The Khasalee
Kill the Busters of Myths