Here is the full list of all 45 Final Stardust: Cosmic Nexus achievements.
Win your first battle.
Choose your element.
Summon a level 3 Plano.
Win 100 battles.
Earn 10,000 gold stardust in your wallet.
Get 10,000 blue stardust.
Reach player level 5.
Reach player level 30.
Unlock all the elementalists.
Reach level 5 astral link with an elementalist.
Reach level 5 astral link with all the elementalists.
Destroy 50 Planos.
Attack with a Plano that has 5000 EP.
Build your first deck.
Win a battle with 100 MG left.
Win a battle with 5 cards in your hand.
Win a battle with 5 cards left in your deck.
Clear the first island.
Craft 10 cards.
Buy your first booster pack.
Buy 100 booster packs.
Win a battle under a minute.
Get a score of 3500.
Win a battle without receiving damage from direct attacks.
Get all dark form Planos.
Perform a hyper mode summon.
Perform a fusion summon.
Unlock all the elemental avatar skins.
Get all the cards in a booster pack.
Buy 10 booster packs at once.
Create your avatar.
Summon a legendary Plano, sealed for centuries.
Obtain all the other achievements.
Deal 8000 MG or more with one attack to an opponent who had 1000 or less MG.
Win via Supernova without ever landing a direct attack
Beat the Astral link level 5 of the Venus Guardian.
Beat the Astral link level 5 of the Mercury Guardian.
Beat the Astral link level 5 of the Jupiter Guardian.
Beat the Astral link level 5 of the Mars Guardian.
Beat Astral Mephisto.
Earn a Gold Frame by using a card 100 times.
Beat the Astral link level 5 of the developer.
Get all the cards in-game.
Achieve a Diamond Frame by using a card 500 times.
Attain an Emerald Frame by using a card 1000 times.