Free games like Zombie City Defense 2
Below are 8 free-to-play Steam games similar to Zombie City Defense 2, 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 Zombie City Defense 2 page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Zombie City Defense 2 — no purchase or trial window. Shares Action and Indie with Zombie City Defense 2.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
The Lab
Free-to-play alternative to Zombie City Defense 2 — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 3
Landfall Archives
Free-to-play alternative to Zombie City Defense 2 — no purchase or trial window. Shares Action and Strategy with Zombie City Defense 2.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
- 4
SuchArt: Creative Space
Free-to-play alternative to Zombie City Defense 2 — no purchase or trial window. Shares Action and Indie with Zombie City Defense 2.
Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!
- 5
The Riftbreaker: Prologue
Free-to-play alternative to Zombie City Defense 2 — no purchase or trial window. Shares Action and Strategy with Zombie City Defense 2.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
- 6
Counter-Strike 2
Free-to-play alternative to Zombie City Defense 2 — no purchase or trial window. Shares Action with Zombie City Defense 2.
For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.
- 7
Dota 2
Free-to-play alternative to Zombie City Defense 2 — no purchase or trial window. Shares Action and Strategy with Zombie City Defense 2.
Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.
- 8
Tom Clancy's Rainbow Six Siege
Free-to-play alternative to Zombie City Defense 2 — no purchase or trial window. Shares Action with Zombie City Defense 2.
Rainbow Six® Siege is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked, and Dual Front game modes with a selection of operators.