Sailor Moon Kiss Dolls: Index
Kisekae Set System (KiSS) is a system allowing creation of virtual "paper dolls". This archived website has over 200 dolls and many of the links still work.
Games
Official Sailor Moon Games
A great collection of official licensed Sailor Moon games. Also includes instructions for which emulators to use, which is helpful.
Fan-made Sailor Moon Games
A great collection of fan-made Sailor Moon games. Many of them come from now dead sailorvgame.org and are RPGMaker games.
Pretty Soldier Sailor Moon: Another Story (aka Sailor Moon RPG) for SNES
Contains game info, character info, screen shots, maps, music, wallpapers, the game for download, and more!