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