Does anyone know of a first person shooter with a open map in single player?

With open map I mean a map that let's you use any angle of a attack that you prefer. Most games, like Battlefield, are open in multiplayer, but only let's you follow a single narrow path in single player.

Many years ago on the PC there was a series of games called Delta Force. They were a great example of open maps and let you plan and execute your attack any way you wanted.

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