Tetris Online (Japan)


 * No ARE, IRS, IHS is present.
 * T-Spin recognition is nearly 3-corner T, but T-Spin with Wall kick displays as "T-Spin Mini". In single player mode, there is no difference to Tetris DS. But in VS modes, "T-Spin Mini" sends fewer garbages than T-Spin (no kick).
 * Randomizer is different from other games. It uses variant of Random Generator. It is regular 7 piece bag + 1 random piece system for the beta test. Source
 * Time Attack, Challenge, Marathon, VS COM, Multi mode is present.
 * Time Attack: Well known 40-lines time attack mode.
 * Challenge: 10-minutes score attack mode. Unlike to the Tetris Zone, game ends immediately if the level timer runs out.
 * Marathon: Standard Tetris mode. Game ends in level 15. Required points to increase a level is much shorter than other guideline compatible games.
 * VS COM: Battle against AI-controlled player. The AI player uses regular 7-piece bag system and 6 previews, so you must fight in unfair situation.
 * Multi: Battle against other players.
 * (Practice): It is not a real game mode, but you can play it in Multi mode. (After you die, or before the game starts) Game continues until the current match ends or the match starts. The gravity becomes 20G in level 18.
 * Number of previews, DAS and some other timing related values can be upgraded for TP (Tetris Points)
 * You can also spend your TP on some items.
 * Garbage Tetris: 200Yen: When you do Tetris on VS COM or Multi mode, you send garbage with 2 gaps in the probability of 10% for 100 games.
 * Garbage REN: When you do REN on VS COM or Multi mode, you send garbage with 2 gaps in the probability of 15% for 100 games.
 * Garbage B2B: When you do Back to Back on VS COM or Multi mode, you send garbage with 2 gaps in the probability of 20% for 100 games.
 * Garbage T-Spin: When you do T-Spin on VS COM or Multi mode, you send garbage with 2 gaps in the probability of 20% for 100 games.
 * Anti-Miss: This item prevents your harddrop misses for 100 games.


 * Official Site
 * Blink's New Player Guide
 * You can use unofficial Tetris Online Launcher to install or launch game without Internet Explorer. Source code of Launcher is also available.