Games like Undead Citadel

Gladio Mori is a physics-driven gladiator fighting game with no health bars. Stab on arteries, pierce vital organs and cut off limbs. Build your own movesets, paint your fighter and battle friends online with cross-play.

Into the Radius 2 is an immersive VR survival shooter, set in a realm of surreal landscapes and deadly entities known as Pechorsk Anomaly. Arm yourself with realistic weapons and venture deeper into the mysteries within. Featuring co‑op for up to four players.

A highly realistic VR survival roguelike adventure set on a ruthless 17th-century tropical island. Shipwrecked and alone, you must survive without guidance as you face wild beasts, nature’s fury, and a mysterious local tribe. Every decision is yours. Your survival is in your own hands!

MycoRelic is a cooperative third person action-RPG set on islands inhabited by tribal mushroom robots. Loot derelict foundries to upgrade your robotic body. Explore ancient temples to infuse your fungus with forgotten elemental powers.

MASTER YOUR MOVEMENT. VANQUISH THE VERMIN. Experience all the exhilarating high-intensity action you know and love from arena shooters up close and personal in VR. Zero in your aim, hone your movement, outwit the vermin, and soon you’ll be flying through levels leaving a wake of destruction.

The Horde is coming, but you're ready to fight it! Assemble your squad, choose their upgrades, and build powerful synergies against thousands of undead. Survive. Then evolve. Then break every limit in this deceptively simple but addictive bullet heaven game.

Step into Aincrad, a world of beauty and danger where every battle could be your last. Create your hero, choose your gear, and master combat by building synergy with your partner, leveling up, and unlocking special abilities to expand your horizons.

This is a multiplayer cooperative open world construction survival sandbox game, where you and your friends must find supplies and build shelters in this world. You have to keep an eye on your character's needs state at all times, a bad state is likely to lead to death.

Command automated military defenses, upgrade your fortress, and survive massive zombie waves in this action-packed idle defense game. Build powerful defenses, unlock upgrades, and hold the line against endless undead hordes.

The world has been thrown into chaos, and it's up to you and your friends to battle the corrupted beasts of the Rotwood. Upgrade your gear, choose your preferred weapon, and hone your skills to defend your safe haven.

Prove yourself as a drunken ragdoll knight. Fame and glory belong to those who reach the finish line in time and unscathed. Master physics-based combat equipped with authentic late medieval weapons, magnificent armor, and a bottle of wine.

Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse 30+ eerie backrooms levels while avoiding entities and other dangers. Try to escape but be warned: survival isn't guaranteed.

No More Room in Hell 2 is an intense 8 player zombie shooter. Overcome the endless undead. Avoid infection. Survive hell together.

Hardcore open-world survival where preparation is everything. Scavenge, craft, fortify during the day. When night falls, the infected hunt in numbers. Play solo or with friends in a brutal post-apocalyptic sandbox where survival is earned through smart decisions. How many Nights will you survive?

Reign of Guilds — the spiritual successor to the old-school fantasy where steel, magic, and skill decide your fate. Inspired by the legacy of Ultima Online and EverQuest.

Build and manage your own castle settlement in a land reclaimed by wilderness. With detailed management, survival strategy, and a moddable sandbox world, Going Medieval challenges you to build the mightiest colony this side of the apocalypse.

KILL IT WITH FIRE! 2 is the ultimate co-op spider-hunting experience! Either solo or as a team of Exterminators, unleash an arsenal of crazy weapons, wreak havoc, and complete dozens of challenges across seven dimensions under spider siege.

Rebuild your kingdom and explore a vibrant fantasy world in this roguelite city builder. Defeat hordes of monsters with a unique team of defenders as you harvest, build, mine, cook, brew, and grow. But if your defenses should fail, be prepared to watch it all burn!