Free games like Cube Defender
Below are 8 free-to-play Steam games similar to Cube Defender, 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 Cube Defender page.
Ranked picks
- 1
The Lab
Free-to-play alternative to Cube Defender — 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!
- 2
Landfall Archives
Free-to-play alternative to Cube Defender — no purchase or trial window. Shares Indie with Cube Defender.
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!
- 3
Epic Battle Fantasy 3
Free-to-play alternative to Cube Defender — no purchase or trial window. Shares Indie with Cube Defender.
Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!
- 4
The Riftbreaker: Prologue
Free-to-play alternative to Cube Defender — no purchase or trial window. Shares Indie with Cube Defender.
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.
- 5
Unturned
Free-to-play alternative to Cube Defender — no purchase or trial window. Shares Indie with Cube Defender.
You're a survivor in the zombie infested ruins of society, and must work with your friends and forge alliances to remain among the living.
- 6
Totally Accurate Battlegrounds
Free-to-play alternative to Cube Defender — no purchase or trial window. Shares Indie with Cube Defender.
Grab your balloon crossbow and trusty inflatable hammer, because things are about to get wobbly! Be the last weirdo standing in the world-leading physics-based Battle Royale game.
- 7
Stumble Guys
Free-to-play alternative to Cube Defender — no purchase or trial window. Shares Indie with Cube Defender.
Ready for the chaos? Stumble Guys is a 32-player, fast-paced multiplayer party royale where players dash, jump, and fall across hilarious obstacle courses in a fun race to be the last one standing.
- 8
Fallout Shelter
Free-to-play alternative to Cube Defender — no purchase or trial window.
Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland.