Here is the full list of all 42 Tetris Effect: Connected achievements worth 1,000 gamerscore.
Achieve Player Level 100.
Earn S Rank everywhere possible.
Rotate Tetriminos 100,000 times.
Earn 100 avatars.
Participate in a Weekly Ritual.
Achieve Player Level 50.
Clear 1000 Lines total across all Zone visits.
Earn 100 T-Spins.
Earn A Rank or higher in all Effect Modes.
Discover a land of golden Tetriminos.
Clear 10,000 Lines.
Earn 500 Back-to-Backs.
Earn SS Rank 10 times.
Earn a 15 Combo.
Earn a 10 Combo.
Clear 1,000 Infected Blocks in Purify mode.
Achieve Player Level 30.
Complete all Areas of Expert Journey Mode.
Clear Playlist: Sea, Wind, and World modes.
Earn 500 Tetris Line Clears.
Earn 100 All Clears.
Earn 10 T-Spins.
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Witness a meteor shower in Countdown mode.
Earn 10 All Clears.
Play Marathon, Ultra and Sprint modes.
Earn A Rank or higher in all Areas of Journey Mode.
Complete all Areas of Journey Mode.
Enter the Zone for more than 10 minutes total.
Earn your first SS Rank.
Complete Area 4 of Journey Mode.
Clear 18 Lines or more in a single Zone visit.
Achieve Player Level 10.
Clear 1,000 Lines.
Clear 12 Lines or more in a single Zone visit.
Earn 100 Tetris Line Clears.
Earn 50 Back-to-Backs.
Activate the Zone mechanic.
Earn 10 Back-to-Backs in a row.
Complete Area 1 of Journey Mode.
Earn 10 Tetris Line Clears.
Clear 100 Lines.