Free games like King of the Universe
Below are 8 free-to-play Steam games similar to King of the Universe, 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 King of the Universe page.
Ranked picks
- 1
Landfall Archives
Free-to-play alternative to King of the Universe — no purchase or trial window. Shares Strategy and Indie with King of the Universe.
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!
- 2
World of Warships
Free-to-play alternative to King of the Universe — no purchase or trial window. Shares Strategy and Simulation with King of the Universe.
Immerse yourself in thrilling naval battles and assemble an armada of over 800 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!
- 3
Fallout Shelter
Free-to-play alternative to King of the Universe — no purchase or trial window. Shares Simulation with King of the Universe.
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.
- 4
Minion Masters
Free-to-play alternative to King of the Universe — no purchase or trial window. Shares Strategy and Indie with King of the Universe.
An addictive fast-paced hybrid of Card games & Tower-Defense. Play 1v1 - or bring a friend for 2v2 - and engage in epic online multiplayer battles full of innovative strategy and awesome plays! Collect 200+ cards with unique mechanics, all free!
- 5
Age of Empires III: Definitive Edition
Free-to-play alternative to King of the Universe — no purchase or trial window. Shares Strategy with King of the Universe.
Age of Empires III: Definitive Edition offers players a trial of this historical single & multiplayer RTS experience. *Note: To unlock all features of the game please see the “Base Game” product.
- 6
KARDS - The WW2 Card Game
Free-to-play alternative to King of the Universe — no purchase or trial window. Shares Strategy and Indie with King of the Universe.
KARDS, The World War II Card Game, combines traditional CCG gameplay with innovative mechanics inspired by classic strategy games and real battlefield tactics. Take command and challenge other players in grand-scale warfare on the ground, air, or seas.
- 7
Kingdom: Classic
Free-to-play alternative to King of the Universe — no purchase or trial window. Shares Strategy and Indie with King of the Universe.
Kingdom is a 2D sidescrolling strategy/resource management hybrid with a minimalist feel wrapped in a beautiful, modern pixel art aesthetic.
- 8
Slapshot: Rebound
Free-to-play alternative to King of the Universe — no purchase or trial window. Shares Indie with King of the Universe.
Slapshot: Rebound is a physics-based multiplayer game where you play an arcade style match of hockey. No shoot button, no puck glue, no RNG. It’s up to you and your team to take control of the puck, pass, shoot, outplay your opponents. Play with your friends or team up with other Slapshot players!