Newest Hacks

Castlevania Legends: Reduced Controls Upside Down Tetris Super Mario RPG: Relocalized New Master Quest

Newest Translations

Honoo no Doukyuuji: Dodge Danpei Yu-Gi-Oh! Forbidden Memories Mario Tennis Brain Breaker

Newest Reviews

Super Mario Bro-Op Breath of Fire Definitive Edition Advanced SNES ROM Utility Window City Night NES

Featured Hack Images

SxROM Mario Bros. Rush'n Attack - 2008 Edition Fester's Quest Improvement Random Battle and Boss Song

Featured Translation Images

Sonic Eraser Brandish 2: The Planet Buster Secret of the Stars The Legend of Zelda 2: Link no Bouken

Recent Updates

Contra III Slowdown Removal

Hack of Contra III: The Alien Wars


This SA-1 Root removes all slowdown present on the original game and drastically reduces the loading times. It also saves the high scores and settings.

version 1.2:

  • This version fixes an issue regarding on how I-RAM (SA-1 internal RAM) is set up on boot code

Version 1.1:

  • Fixes Contra III two player mode crashing the game.

ROM / ISO Information:

  • Database match: Contra III - The Alien Wars (USA)
  • Database: No-Intro: Super Nintendo Entertainment System
  • .
  • USA Version:
  • Before patching:
  • CRC32: 84DA7CFE
  • SHA256: A93EA87FC835C530B5135C5294433D15EEF6DBF656144B387E89AC19CF864996
  • .
  • After patching:
  • CRC32: FF3EE176
  • SHA256: 5D2A0ED336E2681D694395A2183D82BEDCAC93B612CBFB5F543DA80A001E861D



RHDN Hack ImageRHDN Hack ImageRHDN Hack ImageRHDN Hack Image


ContributorType of contributionListed credit
Vitor VilelaHacking

User Review Information

An essential hack

Reviewed By: Jets on 18 Mar 2023

No slowdown is noticed (even perhaps in the phases of zoom in mode 7 or use of the bomb). Work great, recommanded +++

Version 1.2 Recommended - Yes

User Reviews
An essential hackJets18 Mar 20231.2Yes
Working good on the FXPAK Pro! And it plays great, too!tsubasaplayer1614 May 20221.3Yes
Great now that I got it workingimpurekind29 Jun 20201.3Yes
Patches of Contra IIIJoe24017 Nov 20191.3Yes
A must have!Polargames03 Nov 20191.3Yes
Awesome job! as it should have been!edwinmusic28 Oct 20191.3Yes