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