Linked from
The 11 pages that link to Zero-sum game, each with the reason it gives.
ZeroRelated: The term uses zero to describe the total net payoff across participants.
Minimax theoremNarrower topic: The theorem applies to this class of games.
Normal-form gameRelated: It is a special payoff structure, not a competing representation.
Rock paper scissorsNarrower topic: With draws worth zero, one player's win is the other's loss.
Game (game theory)Broader topic: It is a restrictive payoff structure, not a feature of every game.