SAS: Secure Tomorrow is a first-person shooter in which players can take on the role of a soldier from the elite SAS unit, who fights against the international terrorist organization Cold Path. The game's plot takes place in several locations - from prison and office buildings, through Greenland covered in ice, to an underground bunker.

The gameplay focuses on realistic anti-terrorist operations, combining tactical elements with dynamic action. The player has at their disposal a modern arsenal, including night vision goggles, gas masks, stun grenades and an M4 rifle. The fight takes place in closed spaces, where you can use covers and destroy thin walls to surprise your opponents.

The game's advantage is the multiplayer mode, in which up to 16 players can compete in three different game modes.