This is a variant of the old Indian game Jungle, expanded by two extra columns (the game board is 9x9) and two new pieces - a monkey and a snake.
The summary of differences between classic and big version of the game follows:
The game board is bigger (9x9 squares) and new pieces are placed to the first and last column - see the image of a start position:
The monkey is stronger than a cat, weaker than a wolf and moves like a chess king - one space in any direction.
The snake is stronger than a dog, weaker than a leopard and moves like a shogi silver general - one space diagonally or forward.
To compensate for the larger board two water squares are added - one at each end of the 5th rank (A5 and I5 on the 9x9 board).
(kaŝi) Se vi ne volas ke aliaj uzantoj scius kion vi faras, tiukaze vi povas ŝalti kaŝitan statuson en Agordoj (nur pagantaj membroj). (pauloaguia) (Montri ĉiujn konsilojn)