Games like Brothers in Blood: WW2

"TRAPPED is a action-packed game that can be played as a single-player or with upsets to 2 players in both co-op and PVP modes. In a post-apocalyptic world, players must work together to capture critical points and survive against mutant creatures and the army, who are determined to eradicate all. The game features robust mechanics and allows friends to join at any point through Steam."

"Wild West Online" is a massively multiplayer online game set in the American frontier of the 1800s. Players can explore the open world, complete quests, and engage in various activities such as hunting, fishing, and crafting. The game also features player versus player combat, allowing players to form gangs and compete for territory and resources. However, it's worth noting that the game received mixed reviews and some players have reported issues with bugs and imbalanced gameplay.

"Days of War is a fast-paced, competitive first-person shooter set in World War 2 with non-stop combat in 32-player multiplayer matches or offline against bots. Experience intense battles across 12 maps, including European, African, and Eastern front theaters. Customize your gameplay with the map editor and Steam Workshop support for creating and sharing custom maps."

"The Fifth Day" is a post-apocalyptic survival game where you play as a machine in a world left vacant by humans. Explore diverse environments, gather resources, and compete in online survival matches against other players. Upgrade your skills and eliminate opponents to become the dominant machine in this desolate world. Offline freeplay mode also available.

"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.

"Silica" is a shooter/RTS hybrid offering 2-player co-op, PvP, and single-player action. Choose between human infantry or alien hive-mind, each with unique vehicles and creatures. Join the community through the official Discord server for updates, developer interaction, and player collaboration. Despite some bugs, the technical aspects, humor, and dense atmosphere make it a worthwhile experience.

"DRONE The Game" is a free demo version on Steam, modeling itself after classic shooter games with drone combat. The full version is planned to be free in the near future, offering updates and modifications from Earth 2. Currently, players may experience issues with purchasing the game, but support is available on the official Discord server.

Mist Survival is a first-person open-world survival game set in a post-apocalyptic world overrun by zombies. Develop strategies to survive by scavenging for resources, crafting tools, and setting up defenses against the undead. Build and manage your own base, form alliances with other players, and navigate through a dynamic and ever-changing environment.

"Fragmented" is a Sci-Fi Shooter game with exceptional visuals, featuring single-player, multi-player, and co-op options. After a failed colonization mission, you must survive on an alien planet, harvest resources, craft weapons, and regain lost skills to ensure humanity's survival. Players can host their own servers, adjust settings, and choose between easy or harsh gameplay modes, with a focus on survival and skill progression.

"Men of War: Assault Squad 2 - Cold War" is a real-time strategy game set in the Cold War era, where players can command U.S. or Soviet forces and complete mission objectives using a variety of units and vehicles. The game offers a dynamic campaign generator for high replayability in both singleplayer and cooperative modes. Players can choose between the U.S. and Soviet Union in this immersive and challenging strategy experience.