Tetris: The Grandmaster Ace achievements

Tetris: The Grandmaster Ace

3.3 from 44 votes

There are 50 Tetris: The Grandmaster Ace achievements worth 2,460 (1,000)

549 tracked gamers have this game, 17 have completed it (3.10%)

Achievement Details

Secret Achievement in Tetris: The Grandmaster Ace

Secret Achievement151 (50)

Continue playing to unlock this achievement. (Secret)

  • Unlocked by 60 tracked gamers (11% - TA Ratio = 3.02) 549  

Achievement Guide for Secret Achievement

1,819,316 (1,142,720)
Achievement won on 28 Oct 13
TA Score for this game: 1,745
Posted on 28 October 13 at 23:14
This solution has 2 positive votes and 0 negative votes. Please log in to vote.
To get this achievement, you must complete all 10 levels of Target mode in Offline mode.

This game mode unlocks after you get the following achievement:
Tetris: The Grandmaster AceSecret AchievementThe Secret Achievement achievement in Tetris: The Grandmaster Ace worth 60 pointsContinue playing to unlock this secret achievement
After this game mode has been unlocked, go to the main menu. Click the first option.
If you have unlocked multiple game modes, this may be a different option, but you want to select the option that looks like "^) - ^)' ") |-" in japanese text (I would type the japanese symbols in here, but TA's solution coding only allows romani text).

On my screen, it was the 6th option, after Doubles / 2 player (the second option), Match/Versus (the third option), Eraser mode (the fourth option), and Level Star mode (the fifth option).

In this mode, you have to complete ten levels of 'Target' mode, which steadily get harder.

In each of the 10 levels, you have to clear three rounds of targets.
Levels 1-4: Time limit of 90 seconds
Levels 5-6: Time limit of 120 seconds
Level 7: Time limit of 150 seconds
Level 8: Time limit of 160 seconds
Levels 9-10: Time limit of 180 seconds.

As soon as you do level 10, the achievement will pop.
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