Configuration Options

Adjust settings as needed.

Gap:

Alpha:

3x3 9x9

Easy Hard

Reset Tetra

Tetra

a Pyraminx-style puzzle generator

Gain exclusive access and support the development of Tetra by becoming a Premium Member.

• BixieCube project on GitHub
• YouTube https://www.youtube.com/the manyone
• Mastodon https://mastodon.social/@t hemanyone
• Linkedin https:// www.linkedin.com/in/henry-kroll-iii-93860426/
• Buy me a coffee https://buymeacoffee.com/is reality
• TheNerdShow.com

Visit my Computer Consulting Website

LICENSE

    Copyright (C) 2025 by Henry Kroll III, nospam (at) TheNerdShow.com

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
    
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
    
    You may obtain a complete copy of the GNU General Public License along
    with this project on GitHub,
    or write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
    

Cheat sheet

Don't be intimidatd. Pyraminx is many times easier than Rubik's Cube!

Rotate puzzle so there are distinct Left, Right, Up, and Down corners.
Use arrow keys or drag around outside of puzzle until it looks like a diamond.

Counter-clockwise turns are designated here as l, r, u, & d.

Press SHIFT to turn Clockwise. Shown here as L, R, U, & D.

Start with 3x3 puzzle. Larger ones use the same moves. Just more repetition.

Solving method 1

Go to ⛮ config and move slider to 3x3. Start game.

1. Corners. Turn each corner until color matches the piece it is attached to.
   • Press 1 to rotate only corner pieces.
   • Alternately press u, l, r, or d until corners line up.
2. Attachments. Sort each corner's attachment util colors match.
   • Press 2 to turn corners with attachments.
   • Twist until attachments are the same color on each side.
3. Center pieces. Find the missing edge centers and move them up top.
   • With bottom color on top-left, do u l U L.
   • Or match bottom color to top-right, do U R u r.
4. Final corner. If edges are solved, but one corner & attachments are turned.
   • Turn puzzle around so the turned corner is up top.
   • Repeat "l U L U" until solved.

Help

Navigation

Check the [☰] icon for license and options.

Visit [⚙] to adjust difficulty and appearance.

Press the [►] play button to play music.

Press the increment ▲ and decrement ▼ buttons to adjust layers.

---

Game play

The Start Game button scrambles the tiles and starts the timer.

Memorizing the moves it makes turns it into a memory game.

Drag around outside area or use cursor keys to rotate view.

Dragging turns faces around the nearest corner.

Move another corner to the front to rotate around it.

Mouse over the puzzle to see which layers will turn.

Hold down CTRL to select multiple layers.

keyboard

• u - rotate upper corner
• d - rotate downmost corner
• l - rotate leftmost corner
• r - rotate rightmost corner
• f - rotate frontmost corner
• b - rotate backmost corner
• z - undo last move

Hold Shift to rotate corners clockwise / redo moves.

The Layers input tells how many layers to rotate with the keyboard.

Or use the number keys.

Click or tap ↺ undo or Reset button to start over.

Tablets and Phones

1. Rotate corner towards front.
2. Long press & release to activate row.
3. Drag row around front corner.
4. Press ↺ Undo / ↻ Redo buttons if necessary.
5. Repeat to solve the same as using a keyboard.