Sports: Soccer, Football, Tennis, Horse, Decathlon, etc
Driving: Enduro, Indy 500, Street Racer, Pole Position, etc
Platform: Hero, Jungle Hunt, Pitfall, etc
Beat 'em up: Karate, Chuck Norris Superkicks etc
Education: Math Gran Prix, Hangman, Basic Math
Programming: Basic
Boardgames: Backgammon, Chess, Checkers
Gambling: Black Jack, Casino
Puzzle: Brain Games, Codebreaker, Glib, Video Cube
Shoot em up: Many
RPG: Adventure, Dragon Stomper, Swordquest, Venture
FPS: Crypts of Chaos, Escape from the Mind Master
Sex games: X-Man, Beat em eat em, etc
Workout : Exus video reflex, jogger plus mat (forerunner of Dance mat?)
Flying: Time Pilot, Spitfire Attack, Space Shuttle
based on comic: Superman, Spiderman
based on film: Star Trek, Star Wars, Krull, ET, 20th Century Fox games
based on music: Journey's Escape
Strategy: Stellar Track
online gaming: Gameline
What am I forgetting here? Anything new post VCS?