Games like Curse of Mermos

"Overture is a single-player Role Playing game that combines action-adventure and roguelike elements for intense and challenging gameplay. Explore vast randomly generated dungeons, engage in difficult boss fights, and collect an arsenal of weapons and loot. With 24 character classes and a chiptune soundtrack, Overture promises a delightful and immersive experience, but be warned: it will 'kick your butt and not apologize'."

In the action-adventure roguelike game Dungeon Souls, players must navigate procedurally generated levels filled with challenging enemies and bosses, searching for marks to unlock the escape portal. With 10 unique characters, each with their own abilities, and over 50 passive items to discover, players can experiment with different builds and strategies in their pursuit to survive. Permanent skill upgrades offer deeper character progression, encouraging multiple playthroughs in this Nuclear Throne and Risk of Rain-inspired dungeon crawler.

"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.

"Feel the Snow" is a sandbox action-adventure game with RPG and survival elements, featuring an exciting storyline and dynamic combat system. Players can choose from two main characters, Annie and Willie, and explore the unique world, build and craft, solve puzzles, and battle dark creatures. The game supports up to four players in co-op mode.

"bit Dungeon II" is a challenging action-adventure game with permadeath and permanent leveling. Explore a randomly generated overworld filled with dungeons, demonic enemies, and powerful weapons. Upon defeating the final boss, the game restarts at a higher difficulty, allowing you to grow stronger and potentially become a god. Features include ranged and magic weapons, Steam Play support, and original chip bit music.

"Meltdown is a tactical arcade shooter with both singleplayer and multiplayer options for up to 4 players, local or online. Experience intense action, sci-fi settings, and randomly generated levels as you collect loot, level up, and specialize in Soldier, Specialist, or Medic. With 30 levels, 3 boss battles, and wave-attack arena challenges, Meltdown offers sensational music, delightful visuals, and engaging gameplay."

X-Blades is a single-player Fantasy Hack and Sl game with anime-style graphics and a stunning soundtrack, but its gameplay is underwhelming with lots of grinding. As Ayumi, you'll dance through hordes of monsters in a variety of magical indoor and outdoor worlds, using pistol blades and magic spells to defeat imposing bosses and collect experience points for new skills. Despite its flaws, X-Blades' impressive effects and animation will make you laugh and leave you in awe.

In Remnant: From the Ashes, play as one of the last remnants of humanity in a post-apocalyptic world overrun by monsters, and fight to reclaim what was lost. Explore dynamic worlds filled with challenging enemies and epic bosses, using a variety of weapons and modifications to adapt to each situation. Every playthrough offers new, procedurally generated environments and threats.

Fight your way through endless waves of holoX's minions! Gear up with all sorts of equipment and items in this action packed beat-em-up to reach the 5 bosses of hololive's "holoX", and put a stop to their plans!

Take on the role of a Vault Breaker in search of alien artifacts called “Vaults” and fight against monsters and powerful bosses, you can strengthen your Breakers to explore the farthest galaxy that no one has ever reached.