Free games like Sid Meier’s Civilization® VI
Below are 8 free-to-play Steam games similar to Sid Meier’s Civilization® VI, 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 Sid Meier’s Civilization® VI page.
Ranked picks
- 1
Age of Empires III: Definitive Edition
Free-to-play alternative to Sid Meier’s Civilization® VI — no purchase or trial window. Shares Strategy with Sid Meier’s Civilization® VI.
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.
- 2
Crusader Kings II
Free-to-play alternative to Sid Meier’s Civilization® VI — no purchase or trial window. Shares Strategy with Sid Meier’s Civilization® VI.
Explore one of the defining periods in world history in an experience crafted by the masters of Grand Strategy.
- 3
World of Warships
Free-to-play alternative to Sid Meier’s Civilization® VI — no purchase or trial window. Shares Strategy with Sid Meier’s Civilization® VI.
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!
- 4
KARDS - The WW2 Card Game
Free-to-play alternative to Sid Meier’s Civilization® VI — no purchase or trial window. Shares Strategy with Sid Meier’s Civilization® VI.
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.
- 5
Dota Underlords
Free-to-play alternative to Sid Meier’s Civilization® VI — no purchase or trial window. Shares Strategy with Sid Meier’s Civilization® VI.
Hire a crew and destroy your rivals in this new strategy battler set in the world of Dota. Introducing Season One: Explore White Spire and earn rewards on the Battle Pass. Pick from several different game modes, play on your own or with friends, and take advantage of crossplay on PC and mobile.
- 6
Card Hunter
Free-to-play alternative to Sid Meier’s Civilization® VI — no purchase or trial window. Shares Strategy with Sid Meier’s Civilization® VI.
Shuffle your cards and ready your dice - Card Hunter is a fresh new card gaming spin on classic tabletop RPGs. Battle your way through a massive campaign solo or with friends and compete with other players in ranked play and tournaments.
- 7
Star Realms
Free-to-play alternative to Sid Meier’s Civilization® VI — no purchase or trial window. Shares Strategy with Sid Meier’s Civilization® VI.
Star Realms is a hugely popular space combat deckbuilding game. Download and play today (note: base set is required to play online) to find out why Star Realms is the winner of SXSW 2014 Board Game of the Year, 7 Golden Geek Awards from BoardGameGeek, and 2 Dice Tower awards!
- 8
Battle for Wesnoth
Free-to-play alternative to Sid Meier’s Civilization® VI — no purchase or trial window. Shares Strategy with Sid Meier’s Civilization® VI.
The Battle for Wesnoth is an open source, turn-based strategy game with a high fantasy theme. Explore the four corners of Irdya in seventeen solo campaigns and dozens of multiplayer maps, taking part in countless adventures as you go.