Sonic Adventure DX

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Sonic Adventure DX
Sonic Adventure DX cover
Sonic Team
Sonic Team USA
Activision Value
Release dates
Windows September 14, 2004
Sonic Adventure DX guide on StrategyWiki
Sonic Adventure DX on Wikipedia
Sonic Adventure
Subseries of Sonic the Hedgehog
Sonic Adventure DX 2004
Sonic Adventure DX (2011) 2011
Sonic Adventure 2 2012
Sonic Adventure DX (Steam) 2014

This page is for the original port. For Steam version, see Sonic Adventure DX (Steam). For other versions, see Sonic Adventure DX (2011).


SafeDisc retail DRM no longer functions properly on Windows Vista and later (see Availability for affected versions).

Key points

Includes unlockable Game Gear games that are missing from later re-releases.
Bigger modding scene than the newer versions.

General information

Sonic News Network - A massive wiki for the Sonic the Hedgehog universe
Sonic Retro - A huge fan site for everything Sonic the Hedgehog. Mods for all the games can be found here.


Source DRM Notes Keys OS
Disc check (requires the CD/DVD in the drive to play)
Original release uses SafeDisc DRM[Note 1].
The version in the "Sonic PC Collection" bundle uses a disc check, but no DRM middleware.
Use SADX Mod Loader to bypass disc check.
SafeDisc retail DRM no longer functions properly on Windows Vista and later (see above for affected versions).
A demo is available.
The default desktop icon used by the executable has issues with improper usage of transparency. A fixed version of the icon can be found in the Files section.

Essential improvements[edit]

SADX Mod Installer[edit]

Automatically downloads and installs the SADX Mod Loader and most mods listed below, as well as certain mods that aren't listed
Allows to set resolution, frame rate settings, HUD scaling etc. before installation (in custom mode), and auto-detects desktop resolution.
Has multiple mod presets (Dreamcast, Enhanced SADX, Original), a guide mode for selecting individual mods to install, and a custom mode for full control
Supports Steam, 2004, DC Collection/Remastered and can also be installed over BetterSADX.

SADX Mod Loader[edit]

  • SADX Mod Loader adds support for mods along with various graphics and miscellaneous options.


This list is not comprehensive, the SADX Mod Installer includes additional mods that are not listed below
  • Dreamcast Conversion - This mod restores Dreamcast assets (levels, textures, sounds, and some objects/effects) except for character models and textures.
  • Input Mod - Fixes camera issues with XInput controllers, enables rumble, fixes triggers, etc.
  • Keyboard Remapper - Adds speedrun-friendly input remapping for keyboard. Incompatible with Input Mod.
  • Smooth Cam - Makes the first person camera full range and variable speed instead of 8-directional fixed speed.
  • No Gloss - Removes the "shininess" (specular highlights) from character models.
  • Chao Spin Swap - Swaps X and B buttons in the Chao Garden. X to spindash, B to grab your Chao.
  • Super Sonic - Play as Super Sonic in any stage after completing his story.
  • Idle Chatter - Press the Z button to hear what your character has to say about the stage.
  • Pause Hide - Press X+Y to hide the pause menu like the Dreamcast version.
  • Character Select - Change which character loads by holding buttons on the controller.
  • Physics Swap - Allows you to swap characters' physics values to another character's.

Game data[edit]

Configuration file(s) location[edit]

System Location
Windows <path-to-game>\sonicDX.ini[Note 2]

Save game data location[edit]

System Location
Windows <path-to-game>\savedata\[Note 2]

Video settings[edit]

Basic external options menu.
Basic external options menu.
Graphics feature State Notes
Widescreen resolution
Use SADX Mod Loader.
Use SADX Mod Loader.
4K Ultra HD
Use SADX Mod Loader.
Field of view (FOV)
Borderless fullscreen windowed
Use SADX Mod Loader.
Anisotropic filtering (AF)
See the glossary page for potential workarounds.
Anti-aliasing (AA)
See the glossary page for potential workarounds.
Vertical sync (Vsync)
Use SADX Mod Loader.
60 FPS
Cutscenes are locked to 30 FPS.
120+ FPS
Game is locked to 60 FPS.

Input settings[edit]

Advanced external options menu.
Advanced external options menu.

Audio settings[edit]

In-game settings.
In-game settings.
Audio feature State Notes
Separate volume controls
Surround sound
On by default.
Closed captions
Mute on focus lost


Language UI Audio Sub Notes

Issues fixed[edit]

Gamepad causes camera to spin[edit]

Use Input Mod[citation needed]

Other information[edit]


Executable 32-bit 64-bit Notes

System requirements[edit]

Minimum Recommended
Operating system (OS) 98, ME
Processor (CPU) Intel Pentium III 600 MHz
AMD Athlon 600 MHz
System memory (RAM) 128 MB
Hard disk drive (HDD) 700 MB
Video card (GPU) 16 MB of VRAM
DirectX 9.0a compatible


  1. SafeDisc retail DRM does not work on Windows 10[1] and is disabled by default on Windows Vista, Windows 7, Windows 8, and Windows 8.1 when the KB3086255 update is installed.[2]
  2. 2.0 2.1 When running this game without Administrator elevation, activity in %PROGRAMFILES%, %PROGRAMFILES(X86)%, and %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore\ (more details).