Games like ZMR: Zombies Monsters Robots

"Orcs Must Die! Unchained" is a free-to-play action tower defense game. Players choose from a variety of heroes and defend their fortresses against hordes of orcs and other enemies. The game features both PvE and PvP modes, and allows for cooperative gameplay with up to three players. Instead of the traditional survival mode, this installment in the series introduces a MOBA-like experience with multiple lanes and minions.

"Killing Floor 2" is a shooter game with great mechanics, impressive graphics, and a memorable soundtrack. It offers both single-player and multiplayer experiences, including co-op and PvP modes. With frequent updates bringing new content, such as the Polar Distress, Blood & Bonfires, Tidal Terror, Chop 'Til You Drop Xmas, Day of the Zed, and Interstellar Insanity updates, the game is highly replayable and builds a dense, emotional atmosphere, despite some bugs and grinding.

"Killing Floor" is a cooperative survival horror game set in wave-based scenarios. Players fight off hordes of enemies, known as Zeds, using a variety of weapons. The game features a class system, where players can specialize in different roles to better survive the onslaught. As players progress, they can earn money to buy better weapons and equipment for the next wave. The ultimate goal is to survive all waves and defeat the boss Zed.

MARS is a Third Person Shooter brimming with creativity and unique features long forgotten in this day of modern AAA games. From the hilarious Headhunter mode, to Huge Mecha vs Mecha battles, to fully customizable loadouts; MARS is a gem to behold amongst the TPS genre.

"Infestation: The New Z" is a free-to-play, open-world shooter with a focus on player versus player combat. It features four different game modes, including Open World with traditional maps and close combat maps, Survival with scavenging and crafting, Competitive with rankings and groups of five, and a co-op Zombie Siege mode. The game is influenced by the old Infestation series, also known as The War Z. -- Steam ID: 555570.

"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."

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.

"Undawn is a free-to-play, action-packed open-world survival RPG, combining PvP and PvE modes for a thrilling post-apocalyptic experience. Brace for harsh environments, realistic survival mechanics, and customizable characters in this immersive adventure. However, be prepared for grinding and numerous bugs that may impact gameplay."

While the world teeters on the edge of utter chaos in the 21st century, you take on the role of a mercenary in the service of a private military agency. Armed to the teeth, you must eliminate opposing armies and bloodthirsty monster hordes in diverse and turbulent missions. If you survive the countless life-threatening missions, you'll be rewarded handsomely with both money and new equipment items…

Hunt Royale: Action RPG Battle is a Role Playing game with an intriguing story, sensational mechanics, and stellar graphics. However, it features lots of grinding, annoying ads, and bugs that may hinder gameplay. The game challenges you to hunt cool monsters against other people and become the last survivor, providing a hilarious and thrilling experience.