Dreamcast Conversion is a complete overhaul of Sonic Adventure DX that makes it look like the original Dreamcast version of Sonic Adventure. This is done by reimplementing Dreamcast assets (levels, textures, object models, special effects and branding) in the PC version. A companion mod recreates events and challenges that were previously only available on the Dreamcast. Another companion mod replaces the majority of ingame sound effects with higher-quality sounds ripped from the Dreamcast version. All of the above (and more!) can be downloaded and installed in one go using a universal installer developed with the Dreamcast mod pack in mind.

Note: This page is dedicated to Dreamcast Conversion only. Lantern Engine (Dreamcast lighting) and Dreamcast Characters Pack, which are recommended for use with this mod, are separate mods developed and maintained by their respective authors. Dreamcast DLCs, HD GUI 2 and Sound Overhaul 2, which are maintained by me, are also separate mods at the moment. However, you can get all these mods together by using the installer.

Dreamcast Conversion and other mods are designed for use with SADX Mod Loader and the 2004 PC port of SADX. The installer can convert the Steam version of SADX to the 2004 version, which supports the Mod Loader.

Installer / Changelog / FAQ / Troubleshooting / Dreamcast SA1 vs SADX

Manual install / What's still missing / Bug tracker / Author's Twitter

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Update 11 release!

News 1 comment

The biggest Dreamcast Conversion update is here!

Hi there!

It's been a year since the last major update, and today I'm happy to present you a complete overhaul of the mod, which ended up being the biggest update to Dreamcast Conversion since its initial release in December 2016.

Here's a list of ways you can get the update:

I don't even know where to begin with this update. I think the changelog speaks for itself (the changelog for this version is about 1/5th of the entire mod changelog since December 2016), but let's talk about some highlights of the new version:

  • The mod has been reworked almost from scratch, with much better implementations of nearly all of the fixes included in it. Also, all levels and models replaced in the mod are now loaded from external files (which can now be changed by other mods).
  • The mod now restores over 800 models from the Dreamcast version, which results in much improved accuracy to the original game, particularly after recent Mod Loader updates that introduced lighting changes. On top of that, almost all levels have been re-exported from the original game with new, better fixes for transparency, lighting and collision.
  • This is long overdue, but you now have the option to use original SET and CAM files from the 1998 Japanese release of SA1 or SA International. Note: these files are straight from those versions of the game, so they aren't compatible with SADX Mission Mode. If you use them, make sure you've also enabled the Light Speed Dash distance hack.
  • The area of the mod that had the most work done can be summarized in two words: transparency fixes. This time I really went out of my way to fix a lot of long-standing SADX transparency woes, for which I introduced a lot of dirty hacks and workarounds. The game looks a lot better now in several levels, particularly in Final Egg and Casinopolis, but there have also been a lot of fixes for other levels, cutscenes, boss battles and general objects: for example, item capsules look much better now. Also, the alpha rejection fixes for levels and objects (that were included in the mod earlier) are now finally enabled for everyone after a recent Lantern Engine update - things like shadow blobs, letters in neon signs in Casinopolis, various explosion effects in Sky Deck and many more now look a lot better.
  • There have been some improvements to menus and the title screen. The transition between the title screen and file select should now be completely lag-free, and the title screen itself should load a bit faster.
  • The testing for this version has been relentless. While extensive beta testing isn't unique to this version, this time there was a huge internal test with multiple iterations (material color/model accuracy test, palette selection accuracy test, general gameplay test) for each level, and there was also a public beta test in which dedicated players helped me find and fix a lot of issues that would otherwise have been overlooked. This version in particular fixes a few critical issues that were also affecting previous releases of the mod, so it should be even more stable now. Of course there may be some things still left (this is a huge mod after all) but I'm generally quite happy about the amount of effort invested into testing this version before today's release.

Note: some new fixes (which can potentially affect other areas) were introduced after the extensive beta test, so I encourage you to report any issues you run into while playing the game with this version of the mod. You can report issues on my Twitter, on the mod's GitHub issue tracker, or on the summary page.

Have fun with the biggest Dreamcast Conversion update yet!

PkR

Update 10 release!

Update 10 release!

News 9 comments

A new update for Dreamcast Conversion has been released

Install SADX mods easily with this tool

Install SADX mods easily with this tool

News 1 comment

A new installer is now available for easy setup of the Mod Loader and DC mods.

Update 9 and important information

Update 9 and important information

News 1 comment

Dreamcast Conversion has become a single mod, read this for more information on how to update.

Project FAQ (updated March 3)

Project FAQ (updated March 3)

News 1 comment

Frequently asked questions about Dreamcast Conversion

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SADX Mods Offline Installer

SADX Mods Offline Installer

Installer Tool

This is the last offline installer package uploaded to this site. From now on the offline package will be available from a direct constant URL - check...

Dreamcast Conversion Update 10 (manual install)

Dreamcast Conversion Update 10 (manual install)

Full Version 2 comments

A package for manual install containing Dreamcast Conversion, Sound Overhaul 2, HD GUI 2 and Dreamcast DLCs. Note that there are also other mods that...

SADX Mods Offline Installer (Apr 18)

SADX Mods Offline Installer (Apr 18)

Installer Tool 1 comment

This is an all-in-one installer package that can be used on any version of SADX to install Dreamcast Conversion and other mods. This update introduces...

SADX Mods Offline Installer (Apr 10)

SADX Mods Offline Installer (Apr 10)

Installer Tool

This is an all-in-one installer package that can be used on any version of SADX to install Dreamcast Conversion and other mods. This update restores more...

SADX Mods Offline Installer (Mar 3)

SADX Mods Offline Installer (Mar 3)

Installer Tool 1 comment

This is an all-in-one installer package that can be used on any version of SADX to install Dreamcast Conversion and other mods. This version brings Dreamcast...

SADX Mods Offline Installer (Feb 10)

SADX Mods Offline Installer (Feb 10)

Installer Tool 1 comment

This is an all-in-one installer package that can be used on any version of SADX to install Dreamcast Conversion and other mods. This version adds an integrated...

Comments  (0 - 10 of 171)
Guest
Guest

First off, thank you and everyone who worked on the various parts of this mod collection! It's the most convenient way to play Sonic Adventure properly, the game feels more... right this way. However, I've got one problem with it. Videos won't play anymore. The intro is missing entirely, the game just skips to the title screen. And if I have the Sonic Team video selected (which it is by default), that doesn't play, either. I don't understand why that is. I checked the mod's install path, and the videos are there. If I disable the Dreamcast Conversion mod, SADX's default videos won't play, either. Any idea what might be going wrong?

I'm installing the mod on the Steam version of the game on a Windows 10 machine, if it matters.

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PiKeyAr Creator
PiKeyAr

SADX relies on the Windows Media Player to play videos. The videos themselves are in MPEG2 format with MP3 audio. There are two things I'm aware of that can cause the videos not to play:
1) The N versions of Windows don't include the Windows Media Player by default, so you have to install it manually.
2) Some codecs, especially custom stuff like Smooth Video Project, interfere with video playback. Uninstalling them may fix the issue. A couple others I've heard of are ffdshow and LAV.

Reply Good karma+1 vote
Guest
Guest

This comment is currently awaiting admin approval, join now to view.

KaiserStratosTygo
KaiserStratosTygo

Oh cool, I tried again and got a "bad image" instead. LMAO what a ******* mess, guess i'm done here.

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PiKeyAr Creator
PiKeyAr

OK, bye.

Reply Good karma+2 votes
KaiserStratosTygo
KaiserStratosTygo

Can't get this damn thing to work, it just gives "exception" type errors.

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Guest
Guest

the egg ccarrier's garden is so buggy with too many chaos
how i can disable it in the new update?

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PiKeyAr Creator
PiKeyAr

Same way as in the previous update, using config options in SADX Mod Manager.

Also, any details on how it's so buggy?

Reply Good karma+2 votes
Guest
Guest

after the update i cant find the config flie belong chao garden
the new one only including [SADX Style Water]
anyways the thing is buggy in the egg carrirer chao garden is becouse its too small some of my chaos and items in the water and becouse the water is too deep i cant save them.

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PiKeyAr Creator
PiKeyAr

As I said, use SADX Mod Manager to configure the mod - there's a Configure button and all the options are there.
Also, the updates don't change or remove existing config files, and the installer preserves the config file if it already exists. So if the value for the Egg Carrier garden disappeared but the other values stayed, it wasn't caused by the update.

Reply Good karma+2 votes
niv634
niv634

i found it thank you (:
anyways if you can fix the egg carrire's chao garden

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Latest tweets from @pkr_sadx

SADX Debug Mode has been updated with minor bugfixes and various visual improvements. Download here:… T.co

14hours ago

When I was working on the first release of Sound Overhaul, I noticed that SADX couldn't play some (not all) sounds… T.co

17hours ago

After semi-accidentally discovering that CodeWarrior from DC SDK compiles stuff just fine on my W10, I decided to m… T.co

Sep 17 2019

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Sep 17 2019

Some upcoming eyecandy to make this easier to read (still a good idea to disable HUD though) T.co

Sep 17 2019

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Sep 17 2019

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