Full list of all 26 PictoQuest achievements worth 1,000 gamerscore. It takes around 8-10 hours to unlock all of the achievements on Xbox One.
Finish all quests
Buy all life extensions
Beat Moonface
Beat the mountain boss
Beat the mangrove boss
Beat the seaside boss
Beat the desert boss
Reach 1500 gold
Beat the cave boss
Beat the swamp boss
Loose 10 times
Beat the forest boss
Use the ice orb
Beat the plains boss
Use a potion
Use the fire orb
Use the thunder orb
Have a full inventory
Reach 0 gold
Make 20 mistakes
Beat the village boss
Finish a three-monster grid
Finish a two-monster grid
Finish a one-monster grid
Read the tutorial
Finish the first grid