These are games I own, but which mostly aren't in the BoardGameGeek database for some reason, so I can't list them as part of my collection. I hope that this list will grow as I acquire more obscure games and game systems, and shrink as I add these games to the BGG database, and the moderators approve them.
- After Dinner Games (which edition do I have?)
- Alien Abduction, http://web.archive.org/web/2006/http://www.tjgames.com/alien.html
- Cardinal Super Chess, http://www.chessvariants.com/d.photo/cardinal.html
- D-Total, http://gamerbling.wordpress.com/dice-accessories/d-total/
- Fanucci Deck, http://howell.seattle.wa.us/games/Fanucci
- FatPack, http://fatpackcards.co.uk/
- HABA Letter Dice, http://www.funagain.com/control/product?product_id=015738
- Hexadecimal Playing Cards (Derwin), TK (can't even find this deck on the Web)
- Izzi, http://www.funagain.com/control/product?product_id=012170
- Izzi 2, http://www.funagain.com/control/product?product_id=012171
- Morton's List, http://www.mortonslist.com
- Perplex City, http://www.perplexcity.com/
- Pythagoras, http://www.boardgamegeek.com/wiki/page/Ideal_Hi-Q_collection
- Sconudi, http://www.sconudi.com
- Soma Cube, http://en.wikipedia.org/wiki/Soma_cube
- Visual Brainstorms, http://www.thinkfun.com/PRODUCT.ASPX?PageNo=PRODUCT&Catalog=By%20Category&Category=5EDFOCUS&ProductId=6550
- Vortomozaiko (card game system with several Scrabble-like games in Esperanto), http://m.ipernity.com/#/doc/58348/2494009