Here is the full list of all 47 Deathtrap achievements.
Build 1000 ground traps.
Build 1000 tower traps.
Build 15 different traps on a single map.
Reach level 10 with a Sorceress, Mercenary and Marksman.
Reach level 100.
Complete a maximum difficulty Scenario without dying.
Reach wave 20 in Endless without using any teleport.
Reach wave 30 in Endless.
Reach wave 20 in Endless building only tower traps.
Reach wave 20 in Endless building only ground traps.
Complete every map in Scenario mode.
Earn 3 stars in every Campaign map on Tier 4.
Loot 1,000,0000 gold.
Reach wave 10 in Endless without dying.
Download and complete 10 different user generated maps.
Complete a Scenario on difficulty 20.
Complete a Scenario with the 3 blue challenges.
Complete a Scenario with the 3 purple challenges.
Complete a Scenario with the 3 red challenges.
Complete a Scenario on difficulty 10.
Complete a Scenario.
Find a Godlike item.
Kill 100,000 monsters: every game mode counts!
Complete a Tier 4 map without receiving any damage as a Sorceress.
Craft 20 items.
Buy a Special Offer item in the Shop.
Complete a map with the maximum x2 speed (counts from the first wave start phase).
Complete every map in the campaign.
Unlock the Tier 3 skills with any character.
Summon 1000 monster with summoning traps.
Sell 20 traps.
Use the teleports 100 times.
Earn at least 2 stars on any Campaign map.
Complete a Tier 4 map without building a single trap as a Mercenary.
Complete a Tier 4 map without directly damaging a single monster as a Marksman.
Reach wave 20 on every map in Endless.
Kill 100 bosses in Endless.
Earn a star in the co-op mode.
Host a party and complete a map.
Reach wave 30 in Endless in a party.
Form a party with 10 different players.
Complete a difficulty 20 scenario in a party.
Defeat 10 different players as the Attacker in Versus mode.
Defeat 10 different players as the Defender in Versus mode.
Defeat the attacker player with an intact base in Versus mode.
Win 20 matches in Versus mode.
Possess 200 monsters as the Attacker in Versus mode.