M.A.R.S. is a free-to-play multiplayer shooter with a third-person view in a sci-fi setting. The game takes place in the future, where the world is at war with three sides to the conflict. People fight with insectoid robots with high intelligence and consciousness. The game features both classic PvP modes (Team Deathmatch, Domination and Search & Destroy) and a PvE component. You can team up in a group of four and work together to face waves of oncoming enemies. Weapons in the game are divided into ranks and levels. In addition, by completing missions and receiving rewards, you can unlock materials for upgrading weapons.