Here is the full list of all 20 Yu-Gi-Oh! Duel Links achievements. It takes around 200 hours to unlock all of the achievements on Windows.
Reach Stage 20.
Win 100 Duels.
Collect 300 types of cards.
Win 50 Duels.
Destroy a total of 100 monsters.
Reach Stage 10.
Successfully Summon a total of 100 monsters.
Win 30 Duels.
Reach Stage 3.
Win 5 Duels.
Earn all achievements.
Win 300 Duels.
Reach Stage 50.
Inflict a total of 1 million points of damage.
Collect 10 Prismatic Cards.
Collect 100 Prismatic Cards.
Win 30 PvP matches.
Win 100 PvP matches.
Destroy a total of 1000 monsters.
Successfully Summon a total of 1000 monsters.