During the 80's and 90’s video games could be classified into certain genres, some of which are almost extinct. Here are Abandonware DOS statistics based on game genre.
action
action - action adventure
22
action - first person shooter
27
action - versus fighting
5
adventure
adventure - graphic, text input
17
adventure - interactive book
2
adventure - other adventures
14
adventure - point & click
69
adventure - text with images
22
application
application - computer slowdown
2
application - file archivers
3
application - file managers
1
application - games related
2
arcade
arcade - Space invaders
4
arcade - other arcades
38
management / sim
management / sim - business sim
19
management / sim - city building
5
management / sim - life sim
9
management / sim - other management
10
management / sim - political sim
6
puzzle
puzzle - falling blocks
8
puzzle - multiple characters
8
puzzle - other puzzle games
4
puzzle - placing pieces
14
puzzle - single character control
10
puzzle - word game / trivia
4
racing / driving
racing / driving - car
20
racing / driving - drive and combat
5
racing / driving - motorcycle
4
racing / driving - off-road
2
racing / driving - other racing games
3
rpg
rpg - classic: first person
33
rpg - classic: top down
42
sport
sport - american football
3
sport - unconventional sports
7
strategy
strategy - grand strategy
7
strategy - other strategy
7
strategy - real time strategy
7
strategy - tactical wargame
21
strategy - turn-based strategy
8
tabletop games
tabletop games - board games
9
tabletop games - card games
5
tabletop games - chess
10
tabletop games - other tabletop games
4
vehicle simulation
vehicle simulation - flight: copter
6
vehicle simulation - flight: plane
19
vehicle simulation - naval
6
vehicle simulation - other vehicle sim
5
vehicle simulation - space sim
12
vehicle simulation - tank
5