Free games like Conquest: Frontier Wars
Below are 8 free-to-play Steam games similar to Conquest: Frontier Wars, 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 Conquest: Frontier Wars page.
Ranked picks
- 1

Crusader Kings II
Free-to-play alternative to Conquest: Frontier Wars — no purchase or trial window. Shares Strategy with Conquest: Frontier Wars.
Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy.
- 2

Minion Masters
Free-to-play alternative to Conquest: Frontier Wars — no purchase or trial window. Shares Strategy with Conquest: Frontier Wars.
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!
- 3

Age of Empires III: Definitive Edition
Free-to-play alternative to Conquest: Frontier Wars — no purchase or trial window. Shares Strategy with Conquest: Frontier Wars.
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.
- 4

Cell to Singularity - Evolution Never Ends
Free-to-play alternative to Conquest: Frontier Wars — no purchase or trial window.
The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.
- 5

Moonbase Alpha
Free-to-play alternative to Conquest: Frontier Wars — no purchase or trial window. Shares Strategy with Conquest: Frontier Wars.
NASA has once again landed on the lunar surface with the goal of colonization, research, and further exploration. Shortly after the return to the Moon, NASA has established a small outpost on the south pole of the moon called Moonbase Alpha.
- 6

War Selection
Free-to-play alternative to Conquest: Frontier Wars — no purchase or trial window. Shares Strategy with Conquest: Frontier Wars.
War Selection is a compelling RTS game featuring base building, resource extraction and warfare. Evolve from a stone age tribe to a distinct industrial nation with unique game mechanics and battle for supremacy with dozens of players on a unique procedurally generated map.
- 7

AirMech
Free-to-play alternative to Conquest: Frontier Wars — no purchase or trial window. Shares Strategy with Conquest: Frontier Wars.
AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious!
- 8

Zero-K
Free-to-play alternative to Conquest: Frontier Wars — no purchase or trial window. Shares Strategy with Conquest: Frontier Wars.
With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.