Here is the full list of all 8 Season Match achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
Complete the Arcade mode.
100% successful taps on a level.
Find all of the mirror shards to receive a reward from the Snow Queen.
Earn 50 coins.
Complete the second episode of the Quest.
Destroy 50 or more gems with one tap.
Destroy more than 10 gems with one tap.
Complete a level in 40% of the allotted time.