Mechanic: alliances

Discover alliance mechanics in board games where players form temporary partnerships—featuring Cosmic Encounter and Betrayal at House on the Hill.

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What is this?

Alliances allow players to temporarily team up for mutual benefit, whether through informal negotiation or game-driven events. These partnerships can shift rapidly as incentives change, creating dynamic relationships where cooperation and betrayal are both strategic options.

Examples of alliance-driven gameplay

Cosmic Encounter thrives on player-negotiated alliances that can swing battles in unexpected ways, while Betrayal at House on the Hill uses event-driven alliances that suddenly divide players into opposing sides.

How were these games selected?

These games all feature the alliances mechanic.

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