Free games like Undead Citadel
Below are 8 free-to-play Steam games similar to Undead Citadel, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Undead Citadel page.
Ranked picks
- 1
Propagation VR
Free-to-play alternative to Undead Citadel — no purchase or trial window. Shares Action with Undead Citadel.
Combining survival horror and static wave shooting, Propagation VR will get your adrenaline pumping as you try to survive a zombie apocalypse. Armed only with your guns and your fists, fight off terrifying zombies and other multi-species mutants. Will you get out alive?
- 2
NARAKA: BLADEPOINT
Free-to-play alternative to Undead Citadel — no purchase or trial window. Shares Action and Adventure with Undead Citadel.
Dive into the legends of the Far East in NARAKA: BLADEPOINT; team up with friends in fast-paced melee fights for a Battle Royale experience unlike any other. Find your playstyle with a varied cast of heroes with unique skills. More than 40 million players have already joined the fray, play free now!
- 3
Iron Snout
Free-to-play alternative to Undead Citadel — no purchase or trial window. Shares Action and Indie with Undead Citadel.
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
- 4
死寂（Deathly Stillness）
Free-to-play alternative to Undead Citadel — no purchase or trial window. Shares Action and Indie with Undead Citadel.
This is a boring zombie game with no plot, not an officially released game, please don't have high expectations.
- 5
FUCK PUTIN
Free-to-play alternative to Undead Citadel — no purchase or trial window. Shares Action and Indie with Undead Citadel.
In February 2022, Russia invaded Ukraine. This event shocked the whole world. Unjustified aggression must be condemned, and the president of Russia, Vladimir Putin - punished.
- 6
Nightmare House: The Original Mod
Free-to-play alternative to Undead Citadel — no purchase or trial window. Shares Action and Indie with Undead Citadel.
Wake up, it’s time for the real nightmare to begin. Make your way through a terrorizing house, uncover the secrets of a haunted hospital, fight through hordes of the undead, and try to escape Nightmare House.
- 7
Bloody Hell
Free-to-play alternative to Undead Citadel — no purchase or trial window. Shares Action and Indie with Undead Citadel.
A short but sweet game about an Angel on a Bloody Bullet-hell mission to kill Satan! Dash, Double Dash, Grapple & Blast your way through Hell to fulfill your Holy Mission. Will you be able to kill Satan? Or will you fail to master your abilities and DIE in this BLOODY HELL?
- 8
Belko VR: An Escape Room Experiment
Free-to-play alternative to Undead Citadel — no purchase or trial window. Shares Action and Indie with Undead Citadel.
Exploring the themes in THE BELKO EXPERIMENT, the Belko VR – Escape Room Experiment provokes the question: “What does it take to survive at work?” Players are prompted to solve a series of challenging puzzles in order to escape from their office before a microchip in their head explodes.