PSPSudoku

PSPSudoku
General
Author	HPNuts
Type	Puzzle
Version	1.0
License	Mixed
Last Updated	2006/08/17
Links
Download
Website

PSPSudoku is a PSP clone of the world's famous logic-based placement puzzles - Sudoku. Written in Lua.

It was part of the QJ.net and Lik-Sang Summer Homebrew Competition (1st place).

Features

• Solve by logic method only. It means that the solver will not try to guess. The current solving methods are:
  • Alone values.
  • Locked values.
  • Duo, Triplet, Quadruplet, Quintuplet.
  • Hidden Duo, Triplet, Quadruplet, Quintuplet.
  • X-Wing, Swordfish, Jellyfish, Squirmbag.
• Generate grids using the solver, up to 9999 grids with different difficulties:
  • Impossible (0,9%)
  • Very hard (1,3%)
  • Hard (4,6%)
  • Medium (21,3%)
  • Easy (72,0%)
  • Each puzzles have a unique number from 1 to 9999. You can replay a puzzle giving its number for example to solve it faster or play with friends.
• Explain how to solve a grid: you can ask hints and the solver will show you where and how you should play by displaying rules.
• Show available possibilities for each cell.
• Verify your current solving progress.
• Informations on the current grid: difficulty and number of rules used to solve.
• Allow manual input of grids.
• Save your best time to solve generated puzzles.
• Save current puzzle status and parameters on exit.
• Fully skinable.
• Support multiple languages.

User guide

Gameplay

Sudoku is a logic-based placement puzzle.

The aim of the puzzle is to enter a numerical digit from 1 through 9 in each cell of a 9×9 grid made up of 3×3 subgrids (called "regions"), starting with various digits given in some cells (the "givens").

Each row, column, and region must contain only one instance of each numeral. Completing the puzzle requires patience and logical ability.

Skin support

The best way to create a new skin is to simply duplicate an existing skin directory and modify it from there.

The new directory created will be directly available in skin from the main menu.

The main file is skin.ini which hold the position and color of each elements.

Multi-languages

The best way to translate to a new language is to simply duplicate an existing translation and modify it from there.

The new language text file will be directly available in language from the main menu.

Controls

Cross - Increment value for a cell, Press multiple times to display all the possible value

Circle - Decrement value for a cell

Triangle - Cycle through possibilities hiding/unhiding them possibility for a given cell

Square - Validate hide/unhide possibility if you want to do more than one hide/unhide by cell

D-Pad - Move between cells

Analog Up/Down - Show/Hide possibilities

Analog Right/Left - Cycle through possibilities

R - (First press) Request a hint from the solver, (Second press) Apply the hint

L - (First press) Verify current grid progress with the solver, (Second press) Correct wrong inputs if any

Select - Access main menu

Start - Automatically save settings and current progress then prompt to exit

Screenshots

Changelog

1.0

• First public release.

External links

• QuickJump - https://qj.net/qj-net-and-liksang-summer-coding-competition-the-results-are-in/
• QuickJump - http://pspupdates.qj.net/Summer-Coding-Competition-PSPSudoku-v1-0/pg/49/aid/63457 (archived)