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