What is a legacy board game?
A game that changes permanently as you play a campaign — stickers are applied, cards are destroyed, rules are rewritten in the rulebook, and the board is marked. The changes are irreversible by design, and that is the entire point.
How it works. A legacy game is played as a campaign of linked sessions, frequently a dozen or more. Outcomes in one session alter the game itself for every subsequent one. Sealed boxes and envelopes are opened when triggered, introducing new components, rules and story. Some instructions require you to tear up cards or write on the board.
Why the destruction matters. It makes consequences real. In an ordinary game, everything resets afterwards, so no decision has lasting weight. In a legacy game, losing a character or a location is permanent, which changes how players weigh risk in a way that no scoring system reproduces.
It also produces genuine surprise — the designers can withhold entire mechanics until a later session, so the game you finish is not the game you started.
Where it came from. Risk Legacy introduced the format in 2011, and Pandemic Legacy established it as a major design direction, receiving unusually high critical acclaim.
The objections, which are reasonable:
It cannot be replayed once the campaign is finished, which for a relatively expensive product troubles many people.
It cannot easily be sold or lent on, which matters in a hobby with an active second-hand culture.
It requires a committed group for many sessions with a consistent set of players, which is genuinely hard to arrange.
Missing a session creates continuity problems.
How designers responded. Several legacy games now include a reset kit or a post-campaign standard mode, so the game remains playable afterwards. Some use erasable or reversible components rather than destructive ones, preserving the campaign structure without the permanence — which arguably loses part of the effect while removing most of the objection.
Campaign games more broadly — with persistent progression but no destruction — have become common, and are frequently a better fit for groups that cannot commit.