Games like Polygone

"Blackout Protocol" is a top-down shooter with rogue-lite progression, where you play as an Agent of the S2P Corporation tasked with infiltrating a research base overrun by experiments. Master your Agent's unique expertise, from psychokinetic impact to biochemical triage, and choose from a variety of high-yield munitions to aid in your mission. Manage your Panic Gauge to avoid freakouts and physical danger as you face otherworldly horrors.

"Zombie Playground is a cooperative multiplayer game with third-person shooter and action RPG elements, set in a zombie-infested school arena. Experience various enemy types, including a boss fight, and immerse yourself in a fun and immersive gameplay experience, alone or with friends."

MyWorld - Action RPG Maker is a sandbox-style RPG game that allows players to create and share their own adventures. With an intuitive interface and a variety of tools, you can design your own characters, monsters, quests, and environments. The game also includes a lengthy campaign mode, offering a fun and engaging RPG experience even for those who just want to play and not create.

Stuffed is a procedurally generated first-person shooter, that takes place in the dreams of a little girl. Play as a teddy bear and fight waves of nightmares as you defend your owner. Play solo or join your friends in up to 4 player online co-op.

In "Blood and Zombies," players take part in a thrilling fight for survival against hordes of zombies in this first-person shooter and tower defense hybrid. Choose one of four heroes, build up your fortress, and deploy various defensive structures to protect humanity's last stand. With each victory, upgrade your base and weapons to face even greater challenges in this post-apocalyptic world.

"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.

"Guns n Zombies" is a thrilling post-apocalyptic game where you fight against hordes of robotized zombies infected by a nano-virus. With a variety of weapons, special abilities, and turrets, you'll embark on a dangerous journey through a randomly generated gameplay. The survival mode allows you to challenge yourself and compete with other Steam players, all while experiencing a true post-apocalyptic atmosphere.

"Holomento is an Indie Permadeath Action-RPG with exceptional graphics and good music, focused on the dangerous quest of passing through the cursed Eventide Hollow. As generations of Travelers, players open shortcuts, reveal secrets, locate relics, and build improvements, or invest in the Hollow's Stonk Market. The Holomento, a cursed book, traps the souls of all who possess it, creating a new Traveler with each death. Write your own story in this desperate land."

"Marooners" is a local and online multi-player party game that features quick switcheroo chaos between 25 minigames, including Party and Arena modes. Unlock and play as quirky characters, and unlock over 60 hilarious weapons. Seamless local and online play allows for up to 6 players, with the option to come back as a ghost if you die.

"World War Z: Aftermath" is a co-op third-person shooter game based on the film, where players battle swarms of hundreds of zombies in fast-paced gameplay across various locations worldwide. The game features a new first-person mode and gore systems for satisfying action. Humanity is on the brink of extinction, and players must band together to defeat the horde and outlive the dead.