Free games like UniWar
Below are 8 free-to-play Steam games similar to UniWar, 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 UniWar page.
Ranked picks
- 1

Counter-Strike:Global Offensive
Free-to-play alternative to UniWar — no purchase or trial window.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 2

Die in the Dungeon: Origins
Free-to-play alternative to UniWar — no purchase or trial window. Shares Strategy with UniWar.
Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!
- 3

South Scrimshaw, Part One
Free-to-play alternative to UniWar — no purchase or trial window. Shares Casual with UniWar.
South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.
- 4

The Riftbreaker: Prologue
Free-to-play alternative to UniWar — no purchase or trial window. Shares Strategy with UniWar.
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

Counter-Strike 2
Free-to-play alternative to UniWar — 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.
- 6

Tom Clancy's Rainbow Six Siege
Free-to-play alternative to UniWar — no purchase or trial window.
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.
- 7

Splitgate
Free-to-play alternative to UniWar — no purchase or trial window.
Splitgate is a free-to-play, fast-paced multiplayer shooter that features player-controlled portals. This sci-fi shooter takes the FPS genre to a new dimension with its portal mechanics, delivering high-flying, multi-dimensional combat.
- 8

World of Warships
Free-to-play alternative to UniWar — no purchase or trial window. Shares Strategy with UniWar.
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!