SWAT: Elite Force is a massive overhaul of SWAT 4: The Stetchkov Syndicate, making it into a more realistic tactical police simulator.
You can now use ANY custom map on your hard drive in a Quick Mission Maker scenario. When you check the "Use Custom Maps" checkbox, it will load all of the maps on your hard drive, and disable the "Use Campaign Settings" checkbox on each screen. It also disables the custom information on the Entry section of the briefing and forces you to write a custom briefing.