Full list of all 20 Runemals achievements worth 200 gamerscore. It takes around 25-30 hours to unlock all of the achievements on Windows Phone.
Finish the tutorial
Finish forest history chapter
Finish volcano history chapter
Finish mountain history chapter
Finish swamp history chapter
Finish last history chapter
Complete all beach quests
Complete all forest quests
Complete all volcano quests
Complete all mountain quests
Complete all swamp quests
Capture all water runemals
Capture all nature runemals
Capture all fire runemals
Capture all light runemals
Capture all darkness runemals
Revive a runemal
Heal a runemal
Buy an item
Exchange crystals per coins