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