Source: Schema.org v30.1 vocabulary. Official playMode property definition.
What does playMode mean?
Indicates whether this game is multi-player, co-op or single-player. The game can be marked as multi-player, co-op and single-player at the same time.
Used on types (domainIncludes)
Expected value types (rangeIncludes)
Schema.org domainIncludes and rangeIncludes are descriptive guidance, not strict validation prohibitions. Check the official reference for updates.
Related reference
Browse all Schema.org types and properties · Google feature support status