Best Games Like Shadow Ops: Red Mercury

Global Operations is a first-person tactical shooter computer game developed by Barking Dog Studios and published by both Crave Entertainment and Electronic Arts. It was released in March 2002. (Wikipedia)

Rise of the Triad, a first-person shooter, is the successor of Wolfenstein 3D, with a somewhat improved 3D engine.

The EDF series moves away from its traditional series and into new territory with this new project. Developed by YUKE'S, with a theme song by Takashi Niigaki and creatures designed by Ryu Oyama for an EDF game that has never been seen before.

Area 51 is a light gun arcade game released by Atari Games. It takes its name from the Area 51 military facility.

Immortal: Unchained is a souls-inspired third-person shooter/action RPG.

Black Squad is Free to Play first-person-shooter military game, with Battleye support, dedicated servers, great shooting mechanics and amazing netcode. You can experience 10 different modes from classic to massive multi-play modes.

Breach & Clear brings deep tactical strategy simulation to PC, Mac and Linux! Build your Special Operations team, plan and execute advanced missions, and own every angle.

Rogue Warrior is a character-driven, first-person-shooter, featuring Richard Demo Dick Marcinko's explosive personality in an action-packed single player campaign, and intense multiplayer combat.

Gene Rain is a next-gen 3D third person shooter game. The story is set in a futuristic world, with a linear narrative structure, and uses shocking visual effects to present a brand new world for the players ' enjoyment.