If this list seems big, it is! But uh I'm thinking of just picking as and when I feel like it or even using a wheel as I've mostly only dipped my toes into DOS in the past! This list will likely expand/change but yeah!
Arkanoid 2
Battle Arena Toshinden
Bubble Bobble
Budokan
D&D Gold Series
Digger
Doom
Duke Nukem
Elder Scrolls Arena/Daggerfall
Epic Pinball
Golden Axe
Heretic
Heroes of Might and Magic 2
Jazz Jackrabbit
Mechwarrior 2 - Mercenaries
Mega Man
Mega Man X
Prince of Persia
Princess Maker 2
Questprobe Featuring Spider-Man
Star Wars Rebel Assault I/II
Star Wars X Wing
The Amazing Spider-Man
The Lord of the Rings (1990)
The Simpsons Arcade
Tomb Raider
Ultima Underworld
Ultima VII
Ultima VIII
Wing Commander 3
Wizardry
Wolfenstein 3D
X-Men Children of the Atom
X-Men: The Ravages of Apocalypse
Ys: The Vanished Omens