On what kind of game are you target to sell to your niche.

-Adventure
-RPG
-Simulation (Sports etc.)
-Strategy (Command&Conquer, Airport Tycoon etc.)
-Action:
3D games:
Drive (Driver)
Space
Airplane
Shooting Up (Duke Nukem)
Beating Up (Mortal kombat)
Speedboat (Speedboat attack)
Tank
Platformer

Arcade Games:
Chase (Pacman)
Break Out
Pinball
Pong
Space invader
Asteroids
Top down Car racer
Top down Tank shooter
Top down Space shooter
Top down Helicopter shooter
Side scroller helicopter, space or tank shooter
Platform Side Scrollers (commander keen)

Other Games:
Puzzle Jigsaw
Puzzle Logic (Aargon, Tetris)
Puzzle Character (Fitznik, Dweeps)
Board (Mahjong, Checkers, Chess)
Card (Freecell)
Casino
Education

Are you also doing other kind of applications like:
Web applications
Databases
Utility (compression, network etc.)
Productivity (Label design, Print, DTP etc.)
Hobby (Journal, Encylopedia etc.)

I do arcade and puzzle character games. I did edutainment but there isn't a well market for.

Eventually, I hope all of the above. Well, except maybe cards...I have no patience for card games :)