

An unreleased game for the Battletoads series which never made it past the alpha stage, and it would've used pre-rendered sprites similar to the Donkey Kong Country series. Only 2 stages were close to completion, being a remake of Ragnarok's Cavern and a side scrolling stage similar to Artic Caverns.

Platform / Hack and slash/Beat 'em up / Action / Science fiction
Battletoads is the first game of the Battletoads series. The game is a platform scrolling beat 'em up, with varying elements of racing, climbing and vehicle-based obstacle courses. Players start with three lives each time the game is started, which get replenished every time the player continues after getting defeated. The game contains no saving system or password features. The player has a maximum of six hit points that can be replenished by eating flies. It is by some considered to be one of the hardest games of all time, and it have previously been listed at 8th place in IGN's "Top 10 Most Difficult Games to Beat."

Fighting / Hack and slash/Beat 'em up / Action / Science fiction
Battletoads & Double Dragon - The Ultimate Team is the fourth game in the Battletoads series. It is a crossover with the Double Dragon series of beat 'em up games developed by Technos Japan. It was released for the NES, with ports for the Super NES, Sega Mega Drive/Genesis, and Nintendo Game Boy. Despite the presence of the Double Dragon characters, Technos Japan had no actual role in the game's development.

Fighting / Platform / Hack and slash/Beat 'em up / Action / Science fiction
It is the late 21st century, and the world has come under the control of a single federal government. One day a new threat known as Abdullah the Slaver appears, causing widespread terror and panic. The fear in men's hearts incites the abandonment of all economic activity. The federal government, which is the foundation of capitalism and modern civilization, has become nothing less than an insidious idea that corrupts the foundations of society itself. It destroys the idiosyncrasies and variations among national viewpoints, stifling them in the name of "freedom" and its own internal ideals. Judicial Affairs Director Jack Layzon alone grasps the situation, fearing the worst. He summons the lone assassin who had mastered the 'secret style'...

Fighting / Hack and slash/Beat 'em up / Action / Science fiction
Spider-Man and Venom: Maximum Carnage is a side-scrolling beat 'em up game for the Super NES and Sega Genesis/Mega Drive, developed by Software Creations and published by Acclaim Entertainment and it's subsidiary LJN in 1994. The game, based on a sprawling comic book story arc of the same name, features numerous heroes, including Spider-Man, Venom, and their allies from the Marvel Comics fictional universe like Captain America, Black Cat, Iron Fist, Cloak and Dagger, Deathlok, Morbius and Firestar, all teaming up to battle an onslaught of villains led by Carnage, including Shriek, Doppelganger, Demogoblin and Carrion. Both the Genesis/Mega Drive and Super NES versions come in a red cartridge. They were later released in the normal cartridge colors (black for Genesis, gray for Super NES). The game was followed up by a sequel called Venom/Spider-Man: Separation Anxiety. Universal Studios Orlando used Maximum Carnage as the theme for a haunted house at Halloween Horror Nights in 2002.

Fighting / Hack and slash/Beat 'em up / Arcade / Action / Science fiction
The Slum... an area of town completely forgotten. No one could imagine the cruelness suffered by innocent people who were transformed into horrible mutant creatures by genetic experiments. They hovered everywhere and completely took control of the town. Mutation Nation is a 1-2 player action game where you must control your hero and beat up any mutant that gets in your way, by either using your fists or one of four special attacks. A boss at the end of each area needs to be defeated if you want to proceed further through the game.

Fighting / Platform / Hack and slash/Beat 'em up / Action / Science fiction
X-Men: Mutant Academy is a 3-D/2D fighting game developed by Paradox, the company behind Activision's Wu-Tang: Shaolin Style and the never-published Thrill Kill, and based on the X-Men characters from Marvel Comics. The game was released for the Game Boy Color and PlayStation as a tie-in to X-Men. X-Men: Mutant Academy is a basic fighting game that uses six buttons: three buttons for punches and three for kicks. Due to the success of the game, it was followed by two sequels: X-Men: Mutant Academy 2 and X-Men: Next Dimension. The game's characters can be played both with their comic book costumes and their costumes from the 2000 film X-Men. Characters not present in the film were given costumes of a similar design.

Fighting / Platform / Hack and slash/Beat 'em up / Action / Science fiction
"X-Kaliber 2097" consists of two modes. The first modes gameplay consists of side-scrolling action. The player can jump and swing a sword at enemies. The player can also deflect projectiles with the sword. The game also features one on one boss fights that are set up similar to a fighting game. The second mode is a two player duel that is set up like the one on one boss fights but is between two human controlled players.

Hack and slash/Beat 'em up / Action / Science fiction
The mysterious crime boss Mr. X has enlisted the help of Dr. Dahm in creating lifelike robots to replace key city officials, and soon will be able to run the entire city by remote control. Strategically placed bombs are being used to distract the city police while Mr. X deals with the city leaders one by one.