Arika Rotation System
Arika Rotation System is a game play mechanic used in Tetris The Grand Master and other Arika tetromino games, derived from that of Sega's arcade Tetris game.
Colors
Games using ARS use the following color scheme:
- I: red
- J: blue
- L: orange
- O: yellow
- S: purple
- T: cyan
- Z: green
Basic rotation
- Illustration goes here.
My name is Damian Yerrick. I have a web site. I made Lockjaw: The Overdose, formerly called Tetanus On Drugs.
I also contribute to Wikipedia. (See my user page there.)
I am developing Lockjaw, an open-source customizable implementation of the guideline for PC (and possibly other platforms). Any specifics of Tetris game rules would be useful for me to add. See the page and the forum.
On July 15, I became a sysop on this wiki. If you want to discuss my actions, feel free to take it to my talk page.
Licensing
To the extent possible, my contributions are dual-licensed under the Creative Commons Attribution License 2.5 and the GNU Free Documentation License 1.2 or later. is working on one.
Tetrominoes start out centered, rounding to the left. I goes in columns 3–6 counting from the left, O in columns 4–5, and others in columns 4–6. Each tetromino is spawned flat side up unless the player holds down a rotate button while the tetromino is being spawned, in which case it is spawned rotated by one unit (Initial Rotation System).
Apart from I and O, all tetrominoes rotate such that the bottom of the piece is at the bottom of the piece's bounding box. S and Z rotate so that the center column stays constant.
Wall kick
- Illustration goes here.
Sometimes a rotation is blocked by the walls outside the playfield or by blocks inside the playfield. ARS tries to rotate the tetromino within the box without moving it, then try one space to the right, then try one space to the left, then fail. In TGM3: also try one space up.