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Double Dragon III: The Sacred Stones, released in Japan as Double Dragon III: The Rosetta Stone in February 1991 for the NES by Technōs Japan and published in North America and Europe by Acclaim Entertainment, is the third Double Dragon game for the NES.

Double Dragon II: The Revenge, released in December 1988 for arcades by Technōs Japan and ported to the NES in 1989 (Japan) and 1990 (North America/Europe) by Taito

Double Dragon, released in June 1987 for arcades by Technōs Japan and ported to the NES in 1988 by Taito (North America) and Nintendo (Europe), is a pioneering beat 'em up game.

Super Adventure Island, known as Takahashi Meijin no Shin Bouken Jima in Japan, is a 1992 side-scrolling platformer developed and published by Hudson Soft for the SNES.

Hudson's Adventure Island IV, known as Takahashi Meijin no Bouken Jima IV in Japan, is a 1994 side-scrolling platformer developed by Now Production and published by Hudson Soft for the Nintendo Famicom.

Hudson's Adventure Island III, known as Takahashi Meijin no Bouken Jima III in Japan, is a 1992 side-scrolling platformer developed by Now Production and published by Hudson Soft for the NES.

Hudson's Adventure Island II, known as Takahashi Meijin no Bouken Jima II in Japan, is a 1991 side-scrolling platformer developed and published by Hudson Soft for the NES.

Adventure Island, known as Takahashi Meijin no Bouken Jima in Japan, is a 1986 side-scrolling platformer developed by Hudson Soft for the NES.

Metal Slug: 1st Mission, released in May 1999 (Japan) and later in North America and Europe by SNK for the Neo-Geo Pocket Color, is a run and gun shooter and the first Metal Slug game for a handheld.

Metal Slug Advance released in November 2004 (Japan) and December 2004 (North America/Europe) by SNK Playmore, is a run and gun shooter for the Game Boy Advance.

Metal Slug 7, released on July 22, 2008, in Japan and November 28, 2008, in North America by Ignition Entertainment, is a run and gun shooter developed by SNK Playmore for the Nintendo DS.

Metal Slug 5, released in November 2003 for the Neo-Geo MVS arcade platform by SNK Playmore, is the fifth main entry in the Metal Slug series.

Metal Slug 4, released in July 2002 for the Neo-Geo MVS arcade platform by Mega Enterprise and Noise Factory, is the fourth main entry in the Metal Slug series, developed after SNK’s 2001 bankruptcy.

Metal Slug 3 elevates the series with sprawling, non-linear stages, diverse enemies (zombies, mutants, aliens), and new transformations (e.g., Zombie, Monkey).

Metal Slug X, released in March 1999 by SNK for the Neo-Geo MVS arcade platform, is an enhanced remake of Metal Slug 2 (1998), addressing its predecessor’s slowdown issues while adding new content.

Metal Slug 2, released in February 1998 by SNK for the Neo-Geo MVS arcade platform, is the second entry in the Metal Slug series, following the 1996 original.

Metal Slug, released in April 1996 by Nazca Corporation and SNK for the Neo-Geo MVS arcade platform, is a 2D run and gun shooter that launched the iconic *Metal Slug* series.

The Uncanny X-Men, released in December 1989 by LJN for the Nintendo Entertainment System, is an action-platformer and the first *X-Men* video game.

X-Men: Reign of Apocalypse, released on September 25, 2001, in North America and later in Europe, is a side-scrolling beat 'em up developed by Digital Eclipse and published by Activision for the Game Boy Advance.

X-Men: Children of the Atom, released in December 1994 in Japan and January 1995 in North America and Europe, is a 2D fighting game developed and published by Capcom for the CP System II arcade hardware.

X-Men: Mojo World, released in 1996 for the Sega Game Gear by Sega is a side-scrolling action-platformer and the third X-Men game on the platform, following X-Men: GamesMaster’s Legacy.

X-Men: GamesMaster’s Legacy, released in 1995 for the Sega Game Gear, is a side-scrolling action-platformer developed and published by Sega.

X-Men: Mutant Wars, released in November 2000 in North America and March 2001 in Europe, is a side-scrolling action-platformer developed by Avit Inc. and published by Activision for the Game Boy Color.

X-Men: Wolverine's Rage, released on May 15, 2001, in North America and June 15, 2001, in Europe, is a side-scrolling action-platformer developed by Digital Eclipse and published by Activision for the Game Boy Color.

*X-Men: The Official Game* (also known as *X3: The Official Game*), released on May 16, 2006, by Activision, is a beat ‘em up action game developed by Z-Axis (PS2, Xbox, Xbox 360), Beenox (PC), Hypnos (GameCube), WayForward Technologies (GBA), and Amaze Entertainment (DS).