The official tournaments are varying team sizes, and have prizes for the top three players as well as a name mention in the winners announcement. Community driven tournaments have been organized, of which many had the developers help out and grant an in-game badge reward to the winner. On May 27 2017, Earthwork Games started hosting their own official Forts tournaments. Teams are able to choose one of 15 commanders,from 5 different factions each with their own unique active and passive abilities, in order to augment their playstyle. There are around 70+ map that come with the game,but there're hundreds of community made maps which can be downloaded and played. The match could be set to team death match or team co-op where the team shares all resources and bases. The point of the game is to destroy the opponent's core, which can be done through direct damage, like hitting it with a laser or cannon, indirect damage, like setting fire to it or hitting it with splash damage, or through making it fall to the ground by destroying the supporting structures around it.Forts can hold up to 8 players per lobby in which each player can be on either team 1 or team 2. There are weapons like missiles, lasers, cannons, minguns, and mortars to attack, with things like metal reinforcement, sand bags, and machine guns & flak to shoot down projectiles and defend yourself. Sandbox allows the player to experiment in any map without AIs or other players.
Skirmishes allow players to 1 vs 1 AIs at 3 different levels of difficulty.Multiplayer allows the player to join other players lobbies, compete in ranked matches, and practice in community made training missions. The Campaign includes the tutorial,and 28 training missions which follows three super-powers as they battle it out over the last of the planet's resources. The core gameplay of Forts is similar to many real-time strategy games: build up resources, acquire new technologies, and build something to attack the opponent while defending yourself from their attacks.The are 4 different modes of play that players can select: Campaign, skirmish, multiplayer, and sandbox.