By decade
The 1990s on the shelf
The games of the 1990s worth keeping, ranked by standing.
SEALED 
Shockwave Assault
1995 · 2 platforms
eBay from $89
Star Trek: Judgment Rites
1993 · 3 platforms
eBay from $52
Pac-In-Time
1994 · SNES
eBay from $126
Catrap
1990 · Game Boy
eBay from $128
Robin Hood: Prince of Thieves
1991 · NES
eBay from $28
Rockman & Forte Mirai kara no Chōsensha
1999 · WonderSwan
SEALED 
The Last Bounty Hunter
1995 · 3DO
eBay from $948
CIB 
Nosferatu
1994 · SNES
eBay from $1359
CIB 
X-Kaliber 2097
1994 · SNES
eBay from $474
YU-NO: A girl who chants love at the bound of this world
1996 · NEC PC-9800 series
Trio the Punch
1990 · PlayStation 2
eBay from $71
Viper Racing
1998 · Windows
eBay from $50
CIB 
Wonder Project J
1994 · SNES
eBay from $28
The Krion Conquest
1990 · NES
eBay from $182
HeroQuest II: Legacy of Sorasil
1994 · 2 platforms
eBay from $271
CIB 
The Smurfs
1994 · Mega Drive
eBay from $80