S.T.A.L.K.E.R.: Clear Sky is a prequel to the original shooter with role-playing elements and first-person view S.T.A.L.K.E.R.. The plot takes players back a year from the events of the original game, to the year 2011. A group of stalkers first approaches the very heart of the Zone - Chernobyl Nuclear Power Plant, causing a catastrophic cataclysm. The release of anomalous energy changes the Zone, making it more dangerous and unstable. In this chaos, new territories appear on the map of the Zone, and the protagonist, a mercenary, becomes a key figure in the conflict between the stalker factions, Strelk and the Zone itself. In this context, the keyran program and its macros will be very useful. In the world of S.T.A.L.K.E.R., where survival depends on quick and precise actions, effective use of macros can significantly increase competitiveness and improve the game experience.