Linked from
The 18 pages that link to Game tree, each with the reason it gives.
Combinatorial game theoryRelated: Game trees encode every continuation from a position.
Subgame perfect equilibriumRelated: Its decision nodes and branches make candidate subgames visible.
Binary treeRelated: Games with two choices at each state can be modeled as binary trees.
Turn-based strategyRelated: Each turn extends the tree of possible plans and counterplans.
StrategoRelated: Hidden ranks enlarge the uncertainty around the consequences of each attack.