Urban Brawl

Urban Brawl is a mod conversion for doom 2, it's the sequel for action doom .
Doom 2 became a beat'em up game with new weapon and enemies , it took 10 years to develop !!!

from their site

Development on Urban Brawl began in 2004 just months after release of the original Action Doom. Instead of egregious advertising, like the original, the project remained entirely unknown to the community until the day of release. Urban Brawl features a distinct comic book art style with colorful scenery and characters rendered entirely in cel-shading. The game's enemy roster was drawn on paper, scanned and coloured. Similar to Beat 'em ups, many characters are a mere palette swap of previous enemies. Instead of using Doom's engine to calculate light, the lighting is texture based. Objects and walls cast black shadows when seen in sunlight and blue textures were used to simulate a moonlight appearance.
The game can run as a standalone either with version 2.3.0+ of ZDoom or with its own included executable, requiring no IWAD to run.
Outside of gameplay, the story is told mainly through black and white, film noir-style cutscenes inspired by Sin City. Darknation wrote most of the dialogue and cutscenes, while Mike Lightner contributed the voiceovers. The story can branch off in different paths depending on the player's actions, and features multiple possible endings.

The soundtrack was created entirely by Ralph Vickers.

On December 10, 2008, Action Doom 2 was one of the winners of the 2008 Cacowards.

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Fist Puncher

Fist Puncher is a new brawler made by team2bit. The game is similar to river city ransom but it adds lots of stuff like characters, hidden moves , locations ...and weird situations!
This game seems to be done by motivate and passionate people it received also a good review from gamespot :

One of Fist Puncher's strengths is at the same time its most obvious flaw. Since you need to complete so many stages to reach the closing credits, you're going to be trading blows with an awful lot of goons. That's something that can't help but eventually feel repetitive, particularly since the best strategy when you're facing bosses without support from other players is to swoop in and punch or kick a few times, then quickly retreat so that you can lick your wounds (with assistance from a special healing ability that you unlock almost immediately) before returning to the fray. Over the course of several hours, you'll probably find that you spend far too much time rolling around to avoid attacks while you wait for your strength to return. Thankfully, the game keeps things interesting by leading you through a number of ridiculous locations that include a nude beach, a strip club with sex-starved nuns, a hospital operated by a maniacal nurse, and so forth. There's really no telling what you'll find next.

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Buy from desura