Games like Operation Flashpoint: Game of the Year Edition

If you finished Operation Flashpoint: Game of the Year Edition, the closest matches are Tom Clancy's Ghost Recon Advanced Warfighter, Isonzo, Plants vs. Zombies: Battle for Neighborville, Squad 44 and Tom Clancy's Rainbow Six 3: Black Arrow. All 8 share its shooter genre and are ranked by how closely their themes and modes overlap.