Here is the full list of all 36 Infested Planet achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Undo 10 mutations at once during the Endgame mission.
Start a skirmish custom map.
Kill all hives on a raid map at Ruins difficulty.
Kill all hives on a raid map at Abyss difficulty.
Win a capture map at Terminus difficulty.
Finish Tension without losing a crate to the aliens.
Finish Memento Mori while holding more than 1 point.
Finish Night and Day in 11 minutes or faster.
Finish Periapsis without losing a bunker.
Finish Preparations within 10 minutes.
Win a capture map at Abyss difficulty.
Finish a random capture mission with the Burrowing Hive mutation.
Finish a random capture mission with the Guardians mutation.
Win a capture map at Ruins difficulty.
Finish a random capture mission with the Sharp Spikes mutation.
Kill all hives on a raid map at Terminus difficulty.
Kill all hives in the Sudden Strike mission.
Unlock all weapons, tech and buildings in the campaign.
Finish the Endgame mission and the campaign.
Finish the Periapsis mission.
Finish the Tension mission.
Finish the Anabasis mission.
Finish the Memento Mori mission.
Finish the The Return mission.
Finish the Preparations mission.
Finish the Night and Day mission.
Finish Night and Day without losing a point
Finish the Contact mission.
Finish a random capture mission with the Clone Strike mutation.
Finish the Science Station mission.
Finish the Crow's Neck mission.
Finish the Opening Gambits mission.
Finish the Warpath mission.
Finish the Arsenal mission.
Finish the Foundations mission.
Finish the Blitzkrieg mission.