Platforms
PC
Big-box DOS, jewel-case Windows, and the discs before everything went download-only.
5 machines · 4,258 games in the catalogue
The machines
What people are paying for
Samurai Shodown V Special
2004 · 5 platforms
eBay from $3812
SEALED 
DecapAttack
1991 · 4 platforms
eBay from $2367
CIB 
I Have No Mouth, and I Must Scream
1995 · 4 platforms
eBay from $632
Teenage Mutant Ninja Turtles: Manhattan Missions
1991 · DOS
eBay from $2363
The Lost Vikings 2
1997 · SNES
eBay from $2092
SEALED 
Disney's Aladdin
1993 · 10 platforms
eBay from $553
Seven Kingdoms
1997 · 2 platforms
eBay from $232