TMNT - Gaiden: Another Streets of Rage 2 Turtles (TF/MW) Hack!

Started by NoMoneyRanger, July 10, 2021, 08:14:01 PM

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What's up everyone!

Long time gamer and first time modder here, but I did manage to put some time into working on a Streets of Rage 2 mod recently: Teenage Mutant Ninja Turtles - Gaiden! A collab project between me and eskayelle.

Version 1.51 patch now available:


After years of many battles, the Shredder and the Foot Clan have finally fallen. The Teenage Mutant Ninja Turtles vacation to SoCal in celebration, but are ambushed by the Syndicate. Don, Mikey, and Raph are taken hostage. The entire state is engulfed in crime and corruption. There's also word of the Foot Clan being revived. To counter this new threat, Leo recruits a team of unlikely allies to rescue his brothers and the World!

Updates include opening lore, main title, health items, and ending changes by eskayelle. Other changes include:
- Voice changes for all playable characters.
- Two new bosses.
- Edited Character Select portrait.
- KO Counter displayed during Pause screen.
- Cheat Options available without need for second controller codes.


Due to my lack of programming skills, I was able to get eskayelle on board. He provided coding and image work for this project.

I know there are several TMNT based SoR2 mods before, so I had to make mine different in terms of gameplay and design. First is keeping the game more traditional to the original 1992 Streets of Rage 2 since I'm not too experienced with hacking. Second is the roster. Rather than the four Turtle siblings, I decided to omit the other three and replace them with characters representing other TMNT media from comics, movies, and video games. This mod runs on the regular US version of the Streets of Rage 2 rom and uses scaled down character sprites from SNES Tournament Fighters.

Playable Characters:

Leonardo: The only playable Ninja Turtle whom replaces Axel.

Rat King: The rat ninja or grappler. The TMNT villain rep. who becomes a redeemable playable character instead. Replaces Max.

Aska: The butterfly kunoichi. She represents the video game and movie side of TMNT. Replaces Blaze.

Wingnut: The bat ninja. He represents the comics and cartoon side of TMNT. Replaces Skate.

New Bosses:

Armaggon: This deadly mutant shark boss replaces R. Bear and Jr.

Karai: The cyborg ninja boss lady. Replaces Shiva as the game's penultimate boss.

So far this game is 90% complete. It should be out pretty soon! :thumbsup:


I once wrote a blog.  Maybe you'll find something in it useful?


Cant wait to give this a try.  The world needs more SNES tournament fighters!


Quote from: eskayelle on July 16, 2021, 01:04:29 PM
Looks like there's some playthroughs in the wild...  :cookie:

Thanks for posting some of the vids for me! I'll post some of the old ones and the current ones to show the difference or development stage:

"Streets of Rage 2 - TMNT Leo and Aska Mod Playthrough"

Video showing early stages of me experimenting with the Pancake 2 app. Only Leonardo and Aska were initially complete this time.

"Streets of Rage 2 - TMNT Rat King Mod Playthrough"

This is when I had more people interested in the mod and requested me to turn the initial concept into a complete game hack. Had to decide on remaining roster and needed an experienced programmer/hacker to help. From there, I contacted eskayelle for his availability and assistance.

"TMNT - Gaiden: A Streets of Rage 2 Mod Trailer"

Wingnut was completed by this point, and so were Karai and Armaggon. Had to rename the game title "TMNT - Gaiden" since I consider this a crossover side-story, or unofficial fan-sequel to the upcoming Turtles game (Shredder's Revenge). :crazy:

eskayelle worked on the needed in-game images, text changes, and extra features. I was able to learn how to edit the character select portraits with his guidance. Also did voice changes and more edits to the character sprites and attacks.

Lastly, I was originally planning to release the hack at this point, but decided to delay it for more testing, planning, and polishing.

"TMNT - Gaiden: Aska Playthrough (Streets of Rage 2 Mod)"

Playthrough video of the current (now dated) build. Some friends, colleagues, and testers told me Aska's initial sprites were too big, so I had to down-size and recolor her entire sprite set to scale her more properly with the enemies. There were a few glitches present which affected some pick-up items and Armaggon's sprites while being thrown.

"TMNT - Gaiden: Leonardo Playthrough (Streets of Rage 2 Mod)"

Another play test video showing a more updated Leonardo and fixes to the previous build.

Just need to do some more tweaking, and the hack should be ready!  ;)

Quote from: guitarpalooz on July 17, 2021, 10:36:22 AM
Cant wait to give this a try.  The world needs more SNES tournament fighters!

Thanks for the interest! At first I did plan to use the Genesis/MD sprites, but went with the SNES ones instead. Felt the SNES sprites and special attacks offered more options.


Thanks to everyone who downloaded and played the hack!

To celebrate over 500 downloads, I'll be adding two more bosses! >:D

One boss to replace Zamza, and one boss to replace Abadede.


Sorry for the delay everyone.

I've been experiencing several issues trying to get the two new bosses to work. Health and money pick-up items keep glitching during the boss fights as seen in this video:

Would really appreciate any help or suggestions regarding this issue.


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