Tetris The Grand Master 3 Terror-Instinct

Tetris The Grand Master 3 Terror-Instinct, abbreviated TGM3 or Ti, is a Tetris brand tetromino stacking game from Arika, part of the TGM series.

Scoring
Unlike in TGM, TGM2, and TAP, TGM3 advances the level further for a 3- or 4-line clear:

It is also believed not to have a Gm (grandmaster) grade. Instead, it has S10 and higher double-digit grades.