Here is the full list of all 38 Dead Ground achievements.
Kill 100,000 enemies
Beat the final boss
Kill every unique boss at least once
Unlock "The Death" Artifact
Fully upgrade the hell bringer tower
Fully upgrade the H.S.M. tower
Unlock Gogo
Survive day 10
Fully upgrade the cryoblaster tower
Sell 500 items
Kill 50,000 enemies
Survive day 8
Collect 10,000 water in total
Kill 100 boses
Fully upgrade the sniper tower
Fully upgrade the gatling tower
Fully upgrade the mammoth tower
Unlock King
Unlock "Mask Of Terror" Artifact
Kill 50 bosses
Kill 10,000 enemies
Fully upgrade the commando tower
Survive day 6
Unlock "Tormented Soul" Artifact
Unlock Quadrat
Unlock "The Secret" Artifact
Kill 10 bosses
Survive day 4
Unlock "Sword Of Fear" Artifact
Survive day 2
Unlock "Shard Of Life" Artifact
Collect 100,000 scrap in total
Unlock "The Desire" Artifact
Unlock "Orb Of Luck" Artifact
Unlock every character and artifact
Beat the game with the death artifact on
Fully upgrade the mini nuke tower
Buy 500 items