THE FULL READ
Codenames is the rare party game that works at both 4 and 16 players. Two teams; two spymasters who give one-word clues for multiple words on a grid; field operatives guessing what the clue means. Score by uncovering your team's words first, lose by uncovering the assassin.
The party-game dynamic is unique. Spymastering rewards clever wordplay — a clue connecting four words at once is enormously satisfying. Guessing rewards intuition and reading your spymaster. Both sides feel rewarding, which is rare for a hidden-information game. The "I knew you'd think of that" moments are the heart of the game.
The community's biggest tip for new spymasters is to avoid being too clever on your first clue. A connect-four clue that loses a turn because operatives can't reverse-engineer it costs you more than a safe two-word clue. Calibrate to your team's wavelength before stretching.
The Pictures version (image-based) is a different experience — easier to teach for non-native English speakers, harder to clue tightly. The Duet version (2-player co-op) is excellent for couples but plays very differently, with a board that both spymasters see. For groups, the original word-based Codenames remains the right buy.
The single best house rule the community has converged on is "no English nouns that share a stem with the target word". This prevents the cheap "Wash..." clue for WASHINGTON. Adopting this rule from game one separates good spymasters from lazy ones, and tightens every match into a clue-crafting puzzle.
A permanent fixture on the party-game shelf. Two years after release, Codenames was already considered a modern classic; ten years on, it's the safest "buy this for a non-gamer friend" recommendation in the hobby.