Altered Tetяi


JavaScript Tetri
Android Tetris and Welltris
Java Tetri
X Tetri (and Windows too)

JavaScript Tetri

Tetris Games Different Tetris Configurations using JavaScript
Configurations JS
Tetris Tetris
Tertris Tertris
Hextris Hextris
Welltris Welltris
Tetris/Tertris/Hextris/Welltris should be mostly playable now, even on those portable devices. In Tetris and Welltris: for units > 4 use reflection key (home key for one); for units < 3 (with diagonals) rotation key is turned off.

Let me know of any problems here. I am still looking at adding more stuff to these. The Java below has more features, but can no longer run in your browser ... sigh.

Just added "Show Next".

See project notes for todo list and history.

Android Tetris and Welltris

Tetris Games for my phone Tetris Implementations for Android
Icon Source Code Executable
tetris Tetris.apk
welltris Welltris.apk

Unzip somewhere and then put in Eclipse like File->Project->Android Project from Existing Code. Then build, install, and run as usual. Any trouble building and getting on your Android, let me know so I can make fixes or better instructions.

See project notes for todo list and history.

Java Tetri

Click on one of the games below to run Java program (need Java 8 JVM) written mostly by David Bagley. A few updates recently on getting the look better including a frame around field. The X Manual Pages are written for the X versions but may be useful to understanding the Java programs. You can download the jar file (preserve the extension), and then it can be run as an application by prefixing the jar file name with "java -jar ". (The puzzles used to be able to run as applets but browsers and Oracle have dropped support.)

Tetris Games Different Tetris Implementations for Java
Icon Source Code X Manual Page Jar File
Tetris tetris
Tertris tertris
Hextris hextris
Welltris welltris

See project notes for todo list and history.

X Tetri (and Windows too)

Still my favorite Tetris Tetris Implementation for X (Linux and friends) and Windows
Latest Source Latest Windows Man Page README LSM Older Versions Ancient Versions
altris-latest.tar.xz See above for each game under X Manual Page altris.README altris.lsm At SillyCycle At Ibiblio

Latest UNIX/VMS version is 8.8.1 and was written in C/C++. Windows version has same source and compiled with MinGW.

See altris notes for todo list and history.


The background icon is not random... its was found with the help of Stephen Montgomery-Smith's polyomino search program. There are 2 sets of all the seven quadrominos in an 8 by 8 square where the holes are in an 8 queens arrangement. Except for the square quadromino, all quadrominos are in a different orientation and not touching a similar quadromino, even if tiled. Also the holes do not touch each other diagonally, if tiled. The intent is to show the worst game, where each line is almost filled.
Send comments/suggestions to:
A polyomino enthusiast

Maintainer's Home Page
Last Revised: 8 June 2024