Conquer other team in PVP mod 6vs6. Each team will fight getting stronger enemy. Before you start: using the in-game shop will let you upgrade your sklls. Press F (interact key) and use (primary|secondary fire) to choose required option (displayed at top-right) then press Space (jump key) to buy. At the end press F (interact key) to close the shop. Good luck, hero!
Team set: 6 vs 6