I went to a nearly out of bounds location in SADX (with better SADX mod) and found out there are 1 ups : r/SonicTheHedgehog
These Mods for Sonic Adventure DX on PC Bring Back Dreamcast's Glory - The Sonic Stadium
Image 4 - Sonic adventure better music mod for Sonic Adventure DX - Mod DB
Sonic Adventure DX: Director's Cut - Crappy Games Wiki
Morph's Lighting Mod for Sonic Adventure DX Restores Dreamcast Lighting Effects - Sonic Retro
maxresdefault 6 image - Sonic adventure better music mod for Sonic Adventure DX - Mod DB
Better Sonic Adventure DX - SteamGridDB
GitHub - Sora-yx/SADX-Better-Tails-AI: Improve SADX's Tails AI
Lighting mod for Sonic Adventure DX restores Dreamcast lighting effects » SEGAbits - #1 Source for SEGA News
What's the better stage? Emerald Coast or Speed Highway from SADX? | Sonic the Hedgehog! Amino
RedShift on Twitter: "Lighting and textures in SA1 look so much better than SADX. A lot of ppl say lighting in SADX is better because it looks brighter but SA1 looks more
Steam Community :: Guide :: BetterSADX
Morph's Lighting Mod for Sonic Adventure DX Restores Dreamcast Lighting Effects - Sonic Retro
Sonic Adventure DX: Director's Cut - Crappy Games Wiki
Better SADX mod: Real Super Sonic in Chao Gardens - YouTube
Sonic Adventure DX | Mods & Resources
better sound mod file - Mod DB
Sonic Adventure DX + Better SADX can look real beautiful (Screenshot By Me) : r/SonicTheHedgehog