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One Gram Software

Welcome to One Gram Software by Russell Sasamori. This site specializes in Maze, Puzzle and Electrical Engineering Software for Android and Windows. Some are free, some are sold, and some run on-line. For questions and comments, email:  my email

Android Apps
I can design a counter 3.1
I can deign a counter Teaches electrical engineering students binary counter design. Comes with Wizard, Bubble Diagram editor, Finite State Machine Simulator, State Transition Table, Boolean Expressions Generator, and Circuit Renderer.  Buy from Google Play.
Get it on Google Play
20 Hops Puzzle
20 Hops A variant of the so-called Knight's Tour puzzle. You must visit every tile exactly once using the movement of the Chess Knight.
Buy or get it for free from Google Play.
Get it on Google Play
Windows Games
PentaMaze
PentaMaze Draws random mazes in the shape of pentagons.
Click picture for detail.
For a limited time, get this $5 program for $1!
CircularMaze 2.0
CircularMaze Draws random mazes in concentric circles.
Click picture for detail.
Click here to download freeware.
For a limited time, get this $5 program for $1!
Amorphous Maze (New! Summer 2014)
Amorphous Maze Maze made of walls at arbitrary angles.
Click picture for detail.
Click here for descriptive video.
Robot University Puzzle
Robot University Puzzle

Get it from CNET Download.com!

Fit randomly shaped blocks into robot. Requires DirectX 9.0c or higher. 
Click picture for detail.
Click here to download freeware.
Mystery Shape Puzzle
MysteryShape Flip, rotate, and join  odd-shaped pieces to create a familiar shape. Click picture for detail.
Click here to download freeware.
For a limited time, get this $5 program for $1!
Recursive Karakuri Puzzle
Karakuri Treasure Chest Puzzle Slide levels in a certain order to unlock treasure chest. Requires DirectX 9.0c or higher.  
Click picture for detail.
Click here to download freeware.
TileGuru
TileGuru Put numbers in order by rotating tiles in groups of four.  
Click here to download freeware.
Snug
Snug Puzzle Flip, rotate, and fit 5 randomly shaped pieces into a square.  
Click here to download freeware.
Bear Resemblance
Bear Resemblance A sliding-tile puzzle played with triangular tiles.  
Click here to download freeware.
12 Wanders
12 Wanders A freeware puzzle of restoring the numbers in the correct sequence. Warning: this program requires VBRUN300.DLL.  
Click here to download freeware.
BridgeMaze
 BridgeMaze A freeware program that draws mazes with bridges.  
Click picture for detail.
Click here to download freeware.
HexMaze
HexMaze Draws random mazes in the shape of Hexagons.  
Click here to download freeware.
KarnaughMap 1.2
KarnaughMap

Get it from CNET Download.com!

A 4-variable Karnaugh Map program that displays the prime-implicant solution. Not a game.  
Click picture for detail.
Click here to download freeware.
Browser Based Printable Mazes
Eight Way Maze
eight way maze A maze (Labyrinth) without dead ends, constructed of 90 and 45 degree walls. Travel inside the thin parallel lines. Click picture to run.
Beads Maze
beads maze This page lets you create a maze that contains a secret custom message with just your browser. Print the maze on paper and use it for any purpose for free! Click picture to run.
Hex Maze
HexMaze PHP Royalty-free hexagonal mazes you may print out from your web browser. Click picture to run.
Bridge Maze
BridgeMaze A web-based program that draws mazes with bridges. Click on left picture and refresh your browser to make a new maze. Click picture to run, then hit F5 to generate new maze.
Square Mazes
Maze with a long path