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