Here is the full list of all 14 10,000,000 achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Score 10000000 at Rank Explorer
Score 10000000 at Rank Dungeon Master
Score 10000000 with all potions active
Defeat a Treant
Gain your freedom
Fully upgrade your shield
Fully upgrade your armor
Defeat every type of dragon
Do 200 damage in one move
Fully upgrade your staff
Score a 12 chain
Fully upgrade your sword
Repair all the rooms in your home
Fully upgrade your home