Tetris Dekaris

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Tetris Dekaris (Tetris Giant)

Developer(s) Sega
Publisher(s)
Release Date(s) 2009
Platform(s) Arcade (Sega RingWide)

Gameplay Info

Next pieces 2 (shared)
Playfield dimensions 7 by 6 (Single Mode and Versus Mode), 7 by 12 (Co-op Mode)
Hold piece No
Hard drop Soft drop only
Rotation system SRS
Dekaris.jpg
Dekaris1.jpg Dekaris3.jpg

Tetris Dekaris (also known as Tetris Giant) is an arcade Tetris game played on a large 70" DLP Projection Monitor. It is controlled using giant joysticks with a built-in shaker "rumble" motor, a device that Sega refers to as "Deka Lever" ("deka" is Japanese for large).

Line Challenge in the Co-op Mode.

This game is a one or two-player game with competitive and cooperative modes available. Single Mode includes Line Challenge and Score Challenge modes, and Co-op Mode includes the same modes. During competitive multiplayer, clearing multiple block rows makes the other player's speed increase. During two player cooperative play, players can swap pieces with each other by tapping a button on the main arcade cabinet, up to three times. As in a normal game of Tetris, you move your pieces left and right by moving the stick left and right, and push down on the stick to make the pieces fall into place. Buttons on the top of the joystick can be pressed to rotate your pieces around.


Unique to this game, the Tetris Dekaris/Giant base unit is actually a projector which can optionally be detached from the default screen and projected onto a large wall. Arcade operators are able to disconnect the game from its default monitor and project the gameplay onto a large wall.


Line Challenge

Line challenge is a time-limited mode aimed at beginners of the game. In it, the player must clear as many lines as possible before the time runs out. Under default settings the timer starts at 120 seconds, though this can be changed in the operator settings.

Clearing two or more lines at once adds bonus time to the timer(2 sec. for Doubles, 5 sec. for Triples, and 20 sec. for Tetrises). If a player would top out, either by placing a block entirely above the line over the 7th row or by having piece entry blocked, the bottom seven rows will be cleared and the player will be allowed to continue playing. The game ends when either the time limit expires or the 200-line limit is reached.


Score Challenge

Score challenge is a score attack mode aimed toward those more familiar with the game. The objective is to get the highest score possible before topping out or reaching the 200-line limit.

The scoring system in this game is significantly different than Guideline scoring and puts a high emphasis on clearing Tetrises.

Action Score
Single 10*level
Double 30*level
Triple 50*level
Tetris 500*level
T-Spin 40*level
T-Spin Single 90*level
T-Spin Double 150*level
T-Spin Triple 210*level
Soft Drop 2/cell

The level advances every 10 lines and caps at Level 15. The score cap is 99,999 points.

The game keeps track of the 1000 highest scores registered on the machine and displays them on the attract screen and in game. Extra emphasis is put on scores on positions of a multiple of 100(1000th, 900th, etc.) and on the top 10 scores.

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