Stage Tour officially supports cooperative cross-platform play across its PC and console launch lineup.
What is confirmed
The official game description states that bands can play locally or online, including cross-platform play, and can mix instruments in any combination.
Supported platform context
Stage Tour is announced for PC, PS5, Xbox Series X|S and Nintendo Switch 2. The crossplay statement is broad, but a final platform-by-platform compatibility matrix has not been published.
What remains unknown
Account linking, friend invitations, online subscription requirements, voice chat and mode-specific restrictions have not been fully explained.
Launch-day verification
Before organizing a mixed-platform session, check the official support documentation for version parity, account requirements and any exceptions affecting local-to-online combinations.