Here is the full list of all 20 Microsoft Treasure Hunt (Windows 8) achievements worth 200 gamerscore.
Gathered 5000000 gold
Purchased all item and heart upgrades for your character
Had 5 hearts
Used a dynamite 8 times during one level
Purchased the 15 Map Tube
Purchased the 8 Dynamite Bag
Defeated 5 bats without defeating any other monsters in-between
Used a map 20 times
Purchased the 10 Pickaxe Belt
Reached level 3 without picking up any gold or treasure
Entered a shop with at least 500 gold and spent down to exactly 0 before you leave
Purchased 3 Amulets in one game
Dig 1000 dirt tiles by "chording" (placing flags on nearby traps and tapping the adjacent tiles)
Reached level 12 without dying or respawning
Reached the exit on level 11 without using any flags
Defeated 3 monsters
Collected 1000 gold in bonus levels
Triggered your first trap
Reached the exit on level 1
Dug all dirt tiles without traps on any level