| Mazes: Scroll down all the way. Play free game mazes: |
| Maze gallery A portfolio of my maze designs collected over the last 25 years. | | Tilt collection A collection of puzzles all based on tilt. updated: Aug 2004 |
| Attic gallery A selection of scanned, hand-drawn mazes from the archives. | | Oskar's collection A collection of puzzles from the hands of Oskar. updated: Aug 2004 |
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| Full-house puzzles An Erich Friedman classic, of the 'fill-the-grid' genre. new: Aug 2004 | | Wriggle puzzles This puzzle is a real can of worms. Can you detangle them? |
| Plank puzzles Work your way across a swamp using an inadequate selection of planks. updated: Sept 2003 | | BoxUp puzzles Inside-out Sokoban. Push the boxes from the inside only. |
| Maze of Life Interactive game of life. Can you keep the blue cell alive? updated: Sept 2003 | | Orientation mazes Tiny little 4x4 arrow mazes which are so much harder than they look. |
| Colour-zone mazes Roll the oblong block around the colour maze. | | Chain-reaction Match colour or shape and clear the board new: March 2004 |
| Tile puzzles A tiny, meany jigsaw. Rearrange the tiles so that there are no loose ends. | | NEWS and RULES Mazes and puzzles based on simple grids of operators. |
| No left turn maze Looks so easy until you realise you can't turn left. | | Knight's tour maze A peep-hole maze based on the knight's move in chess. |
| Odd-one-out puzzles A selection of picture and word puzzles. | | Blackbox Send rays of light into the blackbox and deduce the location of the hidden atoms. |