Freely translated (and slightly expanded) from the Italian "Dictionary of Boardgames" ("Dizionario dei Giochi di Società"):

Two tribes of primates vie for control of the jungle. Game similar to Stratego: players have 16 gorillas each, of different values hidden from the view of the opponent. Aim of the game is capturing the opponent's king.

Contents: board, 16 red gorillas, 16 blue gorillas, rules booklet.