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 50.
Collect 10 Prismatic Cards.
Win 100 PvP matches.
Win 300 Duels.
Win 30 PvP matches.
Destroy a total of 1000 monsters.
Successfully Summon a total of 1000 monsters.
Collect 300 types of cards.
Reach Stage 20.
Inflict a total of 1 million points of damage.
Win 100 Duels.
Win 50 Duels.
Reach Stage 10.
Win 30 Duels.
Destroy a total of 100 monsters.
Successfully Summon a total of 100 monsters.
Win 5 Duels.
Reach Stage 3.
Earn all achievements.
Collect 100 Prismatic Cards.