Here is the full list of all 12 3D Ultra Minigolf Adventures achievements worth 200 gamerscore.
Complete Traveler and Explorer course in level par or better.
Complete Traveler Course in 4 under par or better.
Complete Explorer Course in 4 under par or better.
Collect all medals in Old West.
Collect all medals in OuterSpace.
Complete Traveler and Explorer courses in 12 under par.
Collect all medals in Classic Carnival.
Host 3 online games.
Win an online multiplayer game.
Make 6 holes in 1 on Traveler or Explorer Course.
Create a hole with the editor.
Complete Prairie dogs, Gopher Smack and Planetoid holes in tournament.