Downtown Nekketsu Koushin Kyoku

Downtown Nekketsu March: Super-Awesome Field Day!
Developer: Technos Japan Publishers: Technos Japan (JP) Arc System Works (INT) Platform: NES Released internationally: February 20, 2020 (Double Dragon & Kunio-kun Retro Brawler Bundle) Released in JP: October 12, 1990 This game has debugging material. This game has a hidden level select.

Downtown Nekketsu March: Super-Awesome Field Day! is the sequel to Downtown Nekketsu Monogatari, known in America as River City Ransom, and the fifth game in the Kunio-kun series.

Unused Character

Yamada, the final boss of Downtown Nekketsu Monogatari (aka Slick/Simon in River City Ransom), can be found in the game's files. Strangely enough, he has a seemingly full set of head sprites, suggesting that he was going to be playable. In the final game, he only appears in the game's ending sequence. Shown is a recreation of what he might've looked like in-game.

Debug Features

There is an identical debug feature in a couple of Technos games. Usually all debug code is controlled by a memory flag, hardwritten at the end of the ROM at address $FFF6 in M6502 CPU address space. Various bits of this variable enable or disable various debug features.

Sample Version

Bit 7 of the debug variable (to set it, use Game Genie code EKNYVYAA) switches between normal and "SAMPLE VERSION", which enables some debug features. During the game, hold Select on Controller 1, then press one of the following buttons:

• A to skip to the next location.
• B to skip current battle.

When using these shortcuts, the money will be instantly increased to 10000, even if you lose, you will always be in 1st place in the current match. But if you additionally press Down at the same time with the mentioned buttons, you will finish exactly with the same amount of money you own, and so you can lose any match.

Debug Display

Bit 5 of the debug variable (to set it, use Game Genie code AXNYVYAA) enables a debug variable display during gameplay at the top-right corner of the screen.