Games like Portable Ops

"Earthfall is a Science Fiction Shooter game with single-player and multiplayer co-op modes for up to 4 players. Battle an extraterrestrial invasion in the Pacific Northwest using futuristic weaponry and deployable barricades. Experience tense, procedurally generated gameplay and a well-crafted story across 15 levels."

Military Conflict: Vietnam is a tactical shooter game set during the Vietnam War. The game features a variety of weapons and vehicles from the era, and allows players to engage in large-scale battles in a variety of environments. Players can choose to fight on either the US or Viet Cong side, and must use strategy and teamwork to complete objectives and emerge victorious.

Surv1v3 is a horror shooter game built for VR, offering single and multiplayer options for up to 4 players. The game features a gripping story set in a post-apocalyptic world overrun by the V1V3 virus, with a focus on realistic survival gameplay. Despite its stunning visuals, the game suffers from optimization issues and bugs, but its dense atmosphere and blend of humor make for a unique zombie survival experience.

"Outbreak: The New Nightmare" is a survival horror game set in a city overrun by the undead. Players must scavenge for supplies, face off against zombies, and try to escape with their lives. The game features local co-op play for up to two players and high definition 3D graphics. It is a chilling love letter to classic 90s survival horror games.

"Zero Caliber VR" is a tactical simulation game for premium VR headsets, featuring single and multi-player modes with up to 2 players in co-op and PvP. Its action-oriented story offers gripping gunfights and a realistic weapon system with hyper-realistic visuals. However, it has some bugs and grinding, while the immersive gameplay and stellar replayability make up for them. The game has recently received a major update and is planning to add mod support.

Insurgency is a tactical first-person shooter that focuses on team-based gameplay. Players must work together to complete objectives and eliminate the enemy team in a variety of maps and modes. With a realistic damage model and no HUD, Insurgency demands strategic planning and communication for success.

Join Section 9 in a first person shooter experience. Become a member of an elite force of cybernetically enhanced combat operatives dedicated to the defense of society, and use your advanced firepower, Tachikoma Tanks and unique cyber skills to bring down cyber terrorists in a connected world.

"Dinosaur Hunt" is a simulation-style first-person shooter game that offers various gameplay options, including single-player, 2-player, and multi-player co-op modes. The game boasts good mechanics and graphics, with players facing off against a variety of dinosaurs in a chaotic and intense setting. However, it is important to note that the game is very grinding, can be buggy at times, and has an overwhelming amount of achievements . The story is described as mind-blowing, but the game's emphasis is on the action-packed gameplay.

"War Dust VR" is a large-scale multiplayer VR shooter with 32v32 battles, featuring diverse landscapes and dynamic day-night environments. Engage in immersive tactical warfare with customizable loadouts and conquest-style gameplay, as you capture control points and dominate the battlefield. This community-driven game also offers a variety of player-created maps, with continuous development guided by its active player base.

"Task Force Elite is a nostalgic online multiplayer shooter with competitive gameplay inspired by classic military FPS games, featuring three layers of anti-cheat and 22 maps to choose from. Play competitively in clan matches or casly with friends, with the option to join public servers or create your own. The game offers an unique blend of run-and-gun gameplay and a fast time to kill in large, detailed environments."