Here is the full list of all 31 Trapper's Delight achievements.
Get 10 stars in Workshop / Community Challenge levels
Get all of the Challenge Stars
Complete all of the Challenge levels
Upload a level to the Steam Workshop
Get 50% of all of the Challenge stars
Get 10 Hammer Kills
Get 15 kills with Triple Ice trap
Get 10 Arrow Trap Kills
Kill another player with a Bomb
Get 10 kills with Fireball Traps
Take 10000 Steps
Get 25% of all of the Challenge stars
Collect 100 Coins
Die 100 times
Destroy at least 4 traps with a single Bomb
Collect 10 Coins
Get a star in a Challenge level
Get 20 kills with Flipper Traps
Get 10 kills with Acid Traps
Get 10 kills with Hidden Jump Traps
Get 15 kills with Hidden Lava traps
Get 5 Jump Trap Kills
Get 10 Moving Saw Kills
Get 10 Grinder Kills
Get 20 Shuriken Kills
Play an online game with 3 people on your friends list.
Get 15 Timed Pit kills
Get 15 kills with Wall Spikes
Win an online game of Trapper's Delight
Win 10 online games
Play a 4 player local multiplayer game