An open-source 3DS emulator project based on Citra.

Software Sampler plugin for AU/VST and MacOSX/Windows

VGMTrans - a tool to convert proprietary, sequenced videogame music to industry-standard formats

Penumbra: Overture - Episode 1 (2007) by Frictional Games AB

Arx Fatalis (2002) by Arkane Studios SA

Descent II (1996) by Parallax Software Corp.

Hexen II (1997) by Raven Software Corporation

Duke Nukem 3D (1996) by 3D Realms Entertainment, Inc.

Syndicate Wars Port is a port of the 1996 DOS game Syndicate Wars to modern operating systems.

Blood II: The Chosen (1998) by Monolith Productions, Inc.

Original MDL source code for MIT's version of Zork

Jagged Alliance 2 (1999) by Sirtech Canada Ltd.

Homeworld (1999) by Relic Entertainment

Colossal Cave Adventure. Written in PDP-10 FORTRAN. Badass.

Star Control II (1992) by Toys for Bob Inc.

Beyond Zork: The Coconut of Quendor by Brian Moriarty (Infocom)

Deadline by Marc Blank (Infocom)

Nord and Bert Couldn't Make Head or Tail of It, by Jeff O'Neill (Infocom)

Wishbringer: The Magick Stone of Dreams by Brian Moriarty (Infocom)

Wishbringer: The Magick Stone of Dreams (Solid-Gold Edition) by Brian Moriarty (Infocom)

Planetfall (Solid-Gold Edition) by Steve Meretzky (Infocom)

Zork I (Microcomputer Version) (Solid-Gold Edition) by Infocom

The Hitchhiker's Guide to the Galaxy (Solid-Gold Edition) by Steve Meretzky and Douglas Adams (Infocom)

The MMORPG Meridian 59

DeluxePaint/DPaint original 1986 amiga source code; Includes manual book and reference card pdfs for DPaint 1

The Oregon Trail (1975) by Don Rawitsch / MECC.

Akalabeth: World of Doom (1979) by Richard Garriott.

Historical source code and documents related to Ambermoon, the role-playing game developed by Thalion Software GmbH, and published for the Commodore Amiga in 1993.

Historical source code and documents related to Amberstar, the role-playing game developed by Thalion Software GmbH, and published for the Atari ST in 1992.

Historical source code for Infocom's Z-machine interpreters