Games like Gunnheim

Dead Horde is an action-packed, co-op top-down shooter where players must survive a mutant virus outbreak. Fight through levels solo or with a friend, using an arsenal of weapons and vehicles to defeat the evolving hordes of mutants. Earn money by killing mutants to buy and upgrade weapons for survival.

"Tower 57 is a top-down twin stick shooter with destructible environments and a focus on co-op gameplay, set in a dystopian, post-apocalyptic world. The game features 16-bit inspired pixel art and offers action-packed gameplay with a seriously cool vibe. Players control a group of individuals with unique skills and abilities, tasked with infiltrating the reclusive Tower 57."

"Immortal Planet" is a souls-like action RPG set on a frozen planet. Explore ruins filled with challenging enemies and bosses, using methodical combat to defeat them. You'll retain progress even upon death, as experience points lost can be recovered. Customize your playstyle with various items and spells as you uncover the planet's mysteries.

In "Magicka 2" , players become overpowered wizards in a co-op action adventure, traversing a nearly wizard-free Midgård to rid the world of evil. The game features the return of the dynamic spellcasting system, with new spells and elements like Poison, as well as improved graphics. The Digital Deluxe Edition includes exclusive robe sets and soundtrack.

In "God's Trigger," players control supernatural beings in a brutal top-down shooter game. The duo, Harry and Judy, must kill their way through hordes of enemies to prevent the Apocalypse. With fast-paced combat, gory execution moves, and a wide range of weapons, players must combine strategy and skill to defeat the forces of evil.

Assault Android Cactus is a vibrant, arcade-style shooter where players control android heroes fighting against waves of robotic enemies. With a variety of distinctive characters, each with unique weapons and abilities, the game offers a dynamic and engaging experience. The game features a campaign mode with high replay value, as well as local co-op for up to four players, making it a great choice for fans of frantic, action-packed gameplay.

"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.

"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."

"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.

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.