Spades is a traditional American game, and the demographic is African American mostly 30+ to 45+ years old.
We had a similar issue as the Euchre project, so, the game had some regular updates from other teams and it was difficult to maintain the same visual identity while it wasn't passing by us all the time.
We've decided to make a Design System for the game, so all the buttons, interactions and mainly styling would be replicable through other teams in the company without needing a major pause on our team to verify it:
The result was a full documentation of all the game in a Confluence page with subpages: