Here is the full list of all 32 Real-Time Assist Replay Time ~1 minute until closing~ achievements.
Collected 60 types of items
Accumulated 20,000 medals in total
Accumulated 10,000 medals in total
Aligned red 7s
Obtained "Twin-Eyed Donuts"
Pulled the Gratitude Lottery 200 times
Acquired 16 types of end cards
Aligned BARs
Became a "Valued Customer"
Collected 45 types of items
Pulled the Gratitude Lottery 100 times
Pulled the Gratitude Lottery 50 times
Collected 20 types of items
Obtained "UG Playing Cards"
Acquired 10 types of end cards
Collected 5 types of items
Pulled the Gratitude Lottery 10 times
Earned over 400 medals in Normal mode
Reached the result screen 5 times
Acquired 5 types of end cards
Played with Tsukasa and Himeka separately
Aligned white 7s
Aligned watermelons
Registered as a member
Acquired 2 types of end cards
Reached the result screen once
Started playing in Normal mode
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Earned over 700 medals in Normal mode
Earned over 1,000 medals in Normal mode
Earned 4,444 medals in 777 mode
Earned 7,777 medals in 777 mode