Free games like Hearts of Iron III
Below are 8 free-to-play Steam games similar to Hearts of Iron III, 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 Hearts of Iron III page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Hearts of Iron III — no purchase or trial window.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Steam Engine Simulator
Free-to-play alternative to Hearts of Iron III — no purchase or trial window.
The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.
- 3
The Lab
Free-to-play alternative to Hearts of Iron III — 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!
- 4
Landfall Archives
Free-to-play alternative to Hearts of Iron III — no purchase or trial window. Shares Strategy with Hearts of Iron III.
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!
- 5
SuchArt: Creative Space
Free-to-play alternative to Hearts of Iron III — no purchase or trial window.
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!
- 6
Jigsaw Puzzle Dreams
Free-to-play alternative to Hearts of Iron III — no purchase or trial window.
Beautiful Multiplayer Jigsaw Puzzle game where you can design the room you play in!
- 7
The Last Sovereign
Free-to-play alternative to Hearts of Iron III — no purchase or trial window. Shares Strategy with Hearts of Iron III.
Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.
- 8
Counter-Strike 2
Free-to-play alternative to Hearts of Iron III — no purchase or trial window.
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.