What are some alternatives?
When comparing Clash Royale and FreeCiv, you can also consider the following products
Clash of Clans - Clash of Clans is a mobile strategy game set in a comically cartoon world of medieval siege warfare.
0 A.D. - 0 A. D. is a free, open-source, historical Real Time Strategy (RTS) game currently under development by Wildfire Games, a global group of volunteer game developers. Download 0 A. D.
Boom beach - Download Boom Beach and meet the team behind the game.
Sid Meier’s Civilization VI - Sid Meier’s Civilization VI is a Turn-based Strategy, War, Tactical, Single and Multiplayer video game created by Firaxis and published by 2K.
Mushroom Wars - One of the Best Games of the Year According to Apple In Mushroom Wars 2, tribes of feisty mushrooms face off in short, action-packed real-time strategy battles.
Age of Empires - Age of Empires is the critically acclaimed, award winning Real Time Strategy (RTS) game with a legacy spanning over 20 years and nearly a dozen titles in the franchise.