Video games with bonus retro games.

[Sparkster]

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[brbgs]

On the PS2 NTSC version of Mortal Kombat: Shaolin Monks you can unlock the arcade version of MK II after completing the Smoke's missions.
I'm sure it doesn't work on the PS2 PAL version though. I don't know about the Xbox versions.

[dsheinem]

Doom 3 on xbox had the original doom, Escape from Castle Wolfenstein had the original wolf3d. The GC Animal Crossing had a handful of NES games, but I don't remember which. I want to say that one of the Prince of Persia games had the original, but I'm just not certain.

Doom 3 CE on Xbox also has Doom II.

Madden XX CE has Head Coach 09 and Madden '93

Star Wars Rogue Squadron III has Star Wars, The Empire Strikes Back, and Return of the Jedi Arcade games

[Erik_Twice]

The Day of the Tentacle has Maniac Mansion in it.

Railroad Tycoon 3 included a puzzle game with a trains theme. It was not advertised anywhere, it was a nice touch.

[noiseredux]

I actually started the same exact thread like a year ago, but can't find it now...

[baschlives]

You can play several NES classics in the Gamecube version of Animal Crossing.

[lisalover1]

I have been told that Metal Gear Solid 3 has a translated port of Metal Gear 2 for the MSX, but I can't confirm this.

[baschlives]

I have been told that Metal Gear Solid 3 has a translated port of Metal Gear 2 for the MSX, but I can't confirm this.

In Metal Gear Solid 3 Subsistence you can play the two NES Metal Gear games.

[Limewater]

I think you can play Galaxian in some ports of Ultimate Mortal Kombat 3

Shenmue includes Hang On and Space Harrier
Shenmue 2 includes Hang On, Space Harrier, and Afterburner 2
Metroid:Zero Mission unlocks the original Metroid when you beat it.
Wario Ware: Mega Microgames does include a couple of Pyoro games and also a 1-player port of Dr. Mario.

[Kevman]

Original Metroid in Metroid: Zero Mission