Here is the full list of all 40 Tobari 2: Nightmare achievements.
Completed all the Collection achievements!
Obtained your first magic!
Cleared your first stage!
Bought your first item!
Obtained your first Star Fragment.
Cleared World 1! Marin
Obtained all the Star Fragments in World 1
Defeated the World 1 boss, Marin, without taking damage.
Cleared all World 1 stages.
Cleared World 2!
Obtained all World 2 Star Fragments.
Defeated the World 2 boss, Aqua, without taking damage.
Cleared all World 2 Stages!
Cleared World 3!
Obtained all the World 3 Star Fragments.
Defeated the World 3 boss, Aqua and Marin, without taking damage.
Cleared all World 3 stages!
Cleared World 4!
Obtained all the World 4 Star Fragments.
Defeated the World 4 boss without taking damage.
Cleared all World 4 stages!
Cleared World 5!
Obtained all the World 5 Star Fragments.
Defeated the World 5 boss without taking damage.
Cleared all World 5 stages!
Cleared World 6!
Obtained all World 6 Star Fragments.
Defeated the World 6 boss without taking damage.
Cleared all World 6 stages!
Retried 100 times!
Spent more than a total of 10000 coins in the store.
Less than 5000 deaths before clearing.
2424 Retries!
Play time over 50 hours!
Cleared the Extra World!
Obtained all the Extra Stage Star Fragments!
Spend total of 50000 coins in the shop!
10000 retries!
Cleared all the stages in this world!
Obtained all the Star Fragments of this world!