David Lawrence Memory Game
- Match photos of male faces in the least amount of tries possible. Offers three difficulty levels. Requires JavaScript.
- http://www.davidlawrence.biz/memory/

Qubory
- Variant of the classical memory game using a rotating cube. [Requires Flash]
- http://www.qubory.com

Auditory Memory
- Variant of the memory game using sounds instead of pictures.
- http://www.stack.nl/~cstoel/am/am.php

KISS Concentration Game
- Memory game based on photos of the band Kiss. [Requires Shockwave]
- http://www.kissdominion.com/shokwave.htm

Simon Advanced
- Flash version of classic game featuring five skill levels, high score list, guestbook, news, and downloadable version.
- http://www.powzone.com/games/simonadv/

Re-member
- Online memory game featuring multiple levels with increasing difficulty, plus a high score list.
- http://www.re-member.de/