Fantastic Games and Where to Find Them

Duke Nukem 3D

http://playdosgamesonline.com/duke-nukem-3d.html

NBA Jam

http://www.playretrogames.com/1804-nba-jam

Prince of Persia

http://playdosgamesonline.com/prince-of-persia.html

Mega Man X

http://www.playretrogames.com/994-mega-man-x

Mortal Kombat 2

http://www.playretrogames.com/546-mortal-kombat-2

Speed Ball 2: Brutal Deluxe

http://www.ssega.com/play/speed-ball-2-brutal-deluxe/1566

Earthworm Jim

http://www.ssega.com/play/earthworm-jim/572

Alone in the Dark

http://playdosgamesonline.com/Alone-in-the-dark.html

Star Fox

http://www.playretrogames.com/3119-star-fox

Aladdin

http://www.ssega.com/play/aladdin/29

Battletoads

http://game-oldies.com/play-online/battletoads-nintendo-nes#

Sonic 2

http://www.ssega.com/play/sonic-2-delta/3254

Streets of Rage

http://www.ssega.com/play/streets-of-rage-2/1979

Super Street Fighter 2 Turbo

http://www.playretrogames.com/4035-super-street-fighter-ii-turbo

Super Mario World

http://www.playretrogames.com/2379-super-mario-world

Teenage Mutant Ninja Turtles IV: Turtles in Time

http://www.playretrogames.com/1715-teenage-mutant-ninja-turtles-iv-turtles-in-time

Super Mario Kart

http://www.playretrogames.com/2378-super-mario-kart

Donkey Kong Country

http://www.playretrogames.com/2961-donkey-kong-country

The Legend of Zelda: A Link to the Past

http://www.playretrogames.com/2374-the-legend-of-zelda-a-link-to-the-past

Doom

http://www.kongregate.com/games/mike_id/doom-1

Super Metroid

http://www.playretrogames.com/3081-super-metroid

Super Castlevania IV

http://www.playretrogames.com/1032-super-castlevania-iv

Elite

https://archive.org/details/Elite_1985_Firebird_Software_ZX_Spectrum

FP Edit: http://i.imgur.com/EntP2Lx.gif