We have a laundry list of features and enhancements we'd like to add to the site in the future. The exact order in which we'll do them is not set in stone, but we'll probably get around to each of them eventually. We indicate near-term highest priorities by having (#1), (#2), etc. These are also just the most user visible or relevant items.
(#1) improving and expanding existing games
(#2) more games
(#3) more Premium Pass duration options (N weeks, months, years)
(#4) perks for returning or continuing pass holders (accelerated)
(#5) surveys (gathering specific feedback on site and current games)
releasing Shattered Stars
releasing Ganymede
releasing Imperium
releasing Legacy
releasing Ekonomy
releasing Millenia
releasing new game using the Dead by Zombie engine
releasing a web game optimized for iPhone and iPod Touch
users can change usernames/screennames
users can change email address
scoreboards
multi-player games
improved game art
improved game sound effects and music
OpenID support
contests
getting dedicated playtesters (paid/compensated)
help wanted page
user contributable game content and modding
providing missing descriptions for existing game proposals (doh!)
affiliate program
merchandising
forums integrated with site (some game-specific)
automatic dynamic game recommendations
user favorite games voting
actual game play popularity indicators
future game proposal development pledging
switch to non-shared domain names
suggestive, game-specific URL's (example: /game/dbz rather than /game/1)
automatic email notification of new site releases (user's option)
automatic post on ZodLogic Diary blog of new site release
improved HTML standards conformance and multi-browser compatibility