In the competitive mode, two teams of five take turns assaulting and defending a building. Attackers must free hostages, capture biological weapons or deactivate bombs. At the start of each mission, defenders are given time to board up windows and doors, reinforce walls, plant explosive charges and lay razor wire.<br>Ubisoft

‘Rainbow Six Siege’ offers intense team-based combat, addictive gameplay

Tactics aren’t usually a major concern in shooter games. Most players simply run around the battlefield blasting or bashing everything that isn’t marked as a friend — and some things that are. However, tactics are vital in “Tom Clancy’s Rainbow Six Siege” from Ubisoft.