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Box art for Sonic Adventure 2
MODMod · 2001 · PC Steam version with SA Mod Manager

Sonic Adventure 2

SA2 Chao Online by Regrant-Dev: playable, rated B (Playable).

SA2 Chao Online

Regrant-Dev

B
PlayableYou can play together, with known gaps in what syncs or a rough setup.
Stage
Playable
Co-op
51%
Synced
  • See each otherUnknown
  • StoryNot synced
  • EnemiesNot synced
  • WorldNot synced
  • ItemsNot synced
Players say
Rate it and vote on its co-op %
Connect
Dedicated server
Players
up to 8
Tested
Not checked
Features
Open source
Latest release
No release yet
Last activity
Active Oct 20, 2026
GitHub stars
1
About this project

Chao-focused: visit friends' gardens, race and fight in karate; others only receive copies of your Chao data. Optional dedicated server via Docker or Windows exe; MIT.

What you need

Your own copy of Sonic Adventure 2.

Sources

-

Repository ↗Suggest a correction

Know another co-op mod for Sonic Adventure 2? Submit it.