The Amazon River is over 6,000 miles long and more than 24 miles wide at its widest point. The Amazon basin is drained by over a thousand tributaries that empty into the massive Amazon River, which in turn dumps millions of gallons of fresh water into the ocean per second.
Be wary of 1v1 matches, as one side of the river tends to have very few trees which can strangle one's ability to build defenses against river crossing or indeed to exploit or cross the river. In The WarChiefs, the Zapotec replace the Aztecs. When multiple human players use the map both sides contain a Trade Route containing three Trading Post sites and various natives - Tupi, Carib, Quechua, or Aztec. in an 8-man free-for-all, four players are put on both sides). In a free-for-all, an equal amount of players are put on each side (e.g. In a team battle, all players in that team will be placed on one side of the river, while the other is placed across them. As the name suggests, players are separated by the raging Amazon river in both team and free-for-all battles.