Wacky Worlds Creativity Studio is a children's video game for the Sega Genesis, released in 1994. In it, the player has a choice of six different Wacky Worlds in which they can place animated "stickers", creating a diorama using two-dimensional computer graphics. Among the Worlds are an underwater scene, a scene inside a house, a jungle, and the Moon. The user is also able to alter the music played in each world by selecting from a bank of different music stickers. It is considered the sequel to Sega's Art Alive!. Wacky Worlds is the first title released under the "Sega Club" label, a collection of Sega titles for kids.

Wardner (original Japanese title: Wardner no Mori) is a platform game released by Taito in 1987. The player controls a character named Dover through various forest game levels in an attempt to rescue his kidnapped girlfriend from the evil Wardner. The simple run and jump controls are supplemented with the ability to throw balls of fire. The player collects gold coins throughout the game; at the end of each level, the coins are exchangeable for extra abilities. The game was ported to the Famicom Disk System in 1988 in Japan. A 1990 port to Sega Mega Drive is titled Wardner no Mori Special in Japan. The North American version of the arcade game is alternately titled Pyros. The console game was never officially distributed in Europe, but the arcade game was commonplace.

Wardner (original Japanese title: Wardner no Mori) is a platform game released by Taito in 1987. The player controls a character named Dover through various forest game levels in an attempt to rescue his kidnapped girlfriend from the evil Wardner. The simple run and jump controls are supplemented with the ability to throw balls of fire. The player collects gold coins throughout the game; at the end of each level, the coins are exchangeable for extra abilities. The game was ported to the Famicom Disk System in 1988 in Japan. A 1990 port to Sega Mega Drive is titled Wardner no Mori Special in Japan. The North American version of the arcade game is alternately titled Pyros. The console game was never officially distributed in Europe, but the arcade game was commonplace.

Warlock is a 1995 platform video game loosely based upon the horror film series of the same name. It was released on Aug 15, 1995 through Acclaim Entertainment for the Sega Genesis/Mega Drive and Super Nintendo systems.

Warrior of Rome, also known as Caesar no Yabou (シーザーの野望?, "Ambition of Caesar"), is a real-time strategy video game for the Sega Mega Drive/Genesis. The game is a fictional story about the adventures of Julius Caesar and the Roman army during his reign as general in the year 48 BCE. The game had a sequel, Warrior of Rome II.

Warrior of Rome II is a real-time strategy video game developed by Micronet and published by Bignet in 1992 for the Sega Mega Drive/Genesis as a sequel to Warrior of Rome.

Warsong, known as Langrisser (ラングリッサー?) in Japan, is a tactical role-playing game developed by Nippon Computer Systems (NCS). The first in the Langrisser series, it blended tactical warfare with RPG elements, similar to the Fire Emblem series. It was initially released for the Mega Drive/Genesis console and the PC-Engine Super CD-ROM add-on, the former version being published by Treco in America and the only game in the franchise released outside Japan. The PC-Engine version was released under the title, Langrisser: The Descendants of Light. It was later re-released along Der Langrisser (its sequel's remake) in a compilation for the Sega Saturn and PlayStation. That compilation was released for the PlayStation Network in 2009.

Waterworld is the name of various video games released for the Super Nintendo, Virtual Boy, Game Boy, and PC based on the film of the same name, along with unpublished games for the Mega Drive/Genesis, Sega Saturn, and 3DO. The Nintendo and Sega console versions were all produced by Ocean Software, while the PC and 3DO versions were produced by Interplay. The SNES and Game Boy games were released only in Europe in 1995 and the Virtual Boy game was released exclusively in North America in November 1995. The game received widespread negative reviews and the version released for the Virtual Boy is generally considered to be the worst game of its 22 releases.

Wayne's World is an action video game based on the film Wayne's World and released in 1993 by THQ. Different versions of the game were released; the NES and Game Boy games were developed by Radical Entertainment and feature both protagonists Wayne and Garth as playable characters. The Super NES and Sega Mega Drive/Genesis games were developed by Gray Matter and feature only Wayne as a playable character.