puzzlemix.com features a range of unique interactive play windows with a wide range of capabilities including:

Work in any modern browser without requiring any plugins (including Internet Explorer 5.5, 6, 7 and 8, Firefox 1, 2 and 3, Safari 2, 3 and 4, and Opera) Unique digit and grid resizing code - try it and see! Unlimited full undo and redo - makes solving much less stressful, and means finger trouble doesn't ruin the game! Fast entry by pushing number keys to enter big/small numbers; press again to toggle Drag the mouse to fill multiple squares for grid shading puzzles such as Hanjie and Hitori Push 0, backspace or delete to clear a grid entry Hit SPACE to toggle solution/pencil marks, or click on the relevant option Double-clicking on a single remaining pencilmark number will place it as a solution digit (this is particularly handy with the auto-remove feature) Background saving via AJAX/XML/PHP/MySQL backend with live feedback Fully-integrated comment system available on both completion/giving up and from menu system Intelligent placing of valid digits based on initial grid clues Auto-add pencilmarks Auto-prune pencilmarks Puzzle-specific intelligent assistants, such as inequality in Futoshiki and implied shaded squares in Hitori Check your solution (and point out empty cells too) Show invalid moves Show incorrect moves (with some browser-specific display code) Each player dynamically generated from PHP and MySQL database backend Arrow keys and TAB/SHIFT-TAB to move around Mouse or keyboard to play number puzzles Click on the entry cursor to remove it if you wish for aesthetic purposes Multiple colour choices when playing shading puzzles for multi-stage speculative solving Reveal solution - and also highlights the entries you had wrong (try it - it uses small green numbers) 'Please wait' message for clean screen whilst loading Can cope with any grid dimensions Adaptable to further different puzzle types Dragging for drawing multiple shapes and regions in picture/loop puzzles And more!

If you wish to license the player modules or entire system for use on your website or other outlet then please contact gareth@puzzlemix.com to discuss licensing fees and customisation options.