Introduced 1 mechanic · Spy vs Spy 1
Spy vs Spy
Two viewports, one house, and asymmetric information between people on the same couch.
Mechanics this game introduced
These are recorded as first appearing here. Each links to a full history of where the idea went next.
Mechanics it built on
Ideas Spy vs Spy inherited rather than invented — each traceable back through the ontology to a root.