Rainbow Six Siege (RSS or R6)

One of the most recommended FPS games on PC. The game is known for it’s unique mechanics like wall destruction and many more. The game is for those players who are looking for the real deal FPS. Two opposing teams can win by achieving the objective or by killing the other team. It may seem repetitious but the path to winning is what makes the game unique.
World of Warships (WoWS)

A naval themed tactical game where players can play as one of the following, Stealthy but deadly torpedo armed destroyers (DD), versatile cruisers (CA), heavily armored and armed battleships (BB), and swarms from aircraft carriers (CV). The game features two opposing teams fighting over a certain objective. The team can win by achieving one of the following, sinking the opposing team, having more players alive at the end of the match time, or achieving the objective.
Defense of the Ancients 2 (DotA 2)

The stand alone sequel to DotA. DotA 2 is played in the same way as it’s predecessor, 10 players play against each other while controlling heroes. They are divided into two opposing teams composed of five players battling against each other. The team wins by destroying the other’s ancient.
Counter Strike: Global Offensive (CS:GO)

An arcade-like FPS game on PC. The game can be called as R6’s arcardy cousin. 10 players are composed into two opposing teams composed of five men, the teams are terrorists and counter-terrorists. The terrorists must plant the bomb and detonate it to win or the counter-terrorists must defuse the bomb. Either team can win by killing the entire opposing team.
League of Legends (LOL)

A multiplayer online battle arena. The game is similar to DotA in which two opposing teams fight against each other. 10 players control their own champion and are divided into two opposing teams that aim to destroy the other team’s nexus or base.