Games like Red Solstice 2: Survivors

"The Red Solstice" is a tactical, survival-focused game set in a sci-fi universe. Players explore an alien planet as a member of a marine squad, fighting off hordes of hostile creatures. The game features real-time with pause gameplay, allowing for strategic decisions during intense combat situations. Co-op multiplayer is supported for up to 8 players, promoting teamwork and communication.

"Aliens: Fireteam is a third-person survival shooter set in the Aliens universe, where players battle through four campaigns with up to two additional players or AI. The 'Into the Hive Edition' includes a new campaign and the 'Ultimate Edition' offers additional DLCs, weapons, and the full suite of Endeavor Pass cosmetic DLCs. Build your fireteam and explore the mysterious planet LV-895."

"Killsquad is a fast-paced, co-op Hack and Slash game for up to 4 players with five hero classes to choose from. The game features short, action-packed contracts and a variety of weapons, skills, gears, and talismans to customize your character. However, it has lots of grinding and is known for its bugs."

"Back 4 Blood" is a cooperative first-person shooter where players fight against a zombie apocalypse. Players can team up with up to three others to clear infested areas and battle powerful enemies, utilizing a wide range of weapons and abilities. The game features a dynamic card system that affects gameplay, adding an extra layer of strategy to the intense action.

"Breach & Clear: Deadline Rebirth" is a tactical squad-based RPG with strategy defense mechanics. Lead your team of specialized operatives through various missions in a post-apocalyptic, zombie-infested New York City. Utilize a variety of weapons, skills, and equipment to survive and complete your objectives. Experience a deep, immersive story with dynamic side quests and multiple endings.

Overkill's The Walking Dead is a four-player co-op horror shooter set in the post-apocalyptic Washington D.C. of The Walking Dead Universe. Each character has unique abilities, skill trees, and story arcs, with a focus on teamwork and strategic gameplay. The game boasts intense action, detailed graphics, and a wonderful soundtrack, but is marred by grinding, optimization issues, and annoying ads.

In "Warhammer 40,000: Chaos Gate - Daemonhunters", play as the Grey Knights, an elite group of warriors, and fight against the corrupting forces of Chaos to stop the spread of a deadly plague across the galaxy. This turn-based tactical RPG features a unique playable character, Castellan Garran Crowe, and a thrilling sci-fi setting complete with a gripping storyline and original soundtrack. Uncover the mysteries of the Grey Knights and protect humanity in this brutal and challenging game.

In Phoenix Point, lead the Phoenix Project to reconquer a post-apocalyptic Earth overrun by mutating aliens. Manage resources, research new technologies, and build your bases to dominate the battlefield. Shape your strategy through diplomacy or combat with various human factions, all vying for survival and power in a ruined world.

In How to Survive 2, players must navigate through a world overrun by a pandemic, several years after the events of the first game. With the infection now a global issue, survivors must do whatever it takes to endure while facing infected enemies. Returning players who own the previous games on Steam receive a special armor set called "Primal Fear," crafted from bones and scrap metal for improved protection.

"ENDLESS™ Dungeon is a roguelite tower defense game set in the award-winning ENDLESS™ Universe. Play solo or with friends, recruit heroes, and upgrade your gear as you navigate through an infested space station. The 'Last Wish' Edition includes exclusive skins, artbook, and soundtrack. Participate in the GAMES2GETHER community for in-game rewards and the chance to influence game content."