TripleA VS FreeCiv

TripleA is the most popular client I'm familiar with. Quite active. They have a bunch of variants but you can play the standard default stuff too. Source: 11 months ago

It's 2-3 hours with computerized rules enforcement : https://triplea-game.org/. Source: about 1 year ago

There is also TripleA, which is open source and has a large variety of maps and rule variants. https://triplea-game.org/. Source: about 1 year ago

Side note: I really liked Axis and Allies, played it several times as a young adult with a few close friends. There is a nice open-source implementation of it, if you want to "play" instead of work. [0] However, it misses the social part. [0]: https://triplea-game.org/. - Source: Hacker News / about 1 year ago

My advice would be to try all the official versions on TripleA (https://triplea-game.org/) to get a feel for the version you like before you spend any money on a new game. Source: over 1 year ago

Well how about I introduce you to... FreeCiv! https://freeciv.org/. - Source: Hacker News / 5 months ago

There are many other commercial projects similar to this (colonist.io landover.io etc). None of them are open source though. This has been done in the past extensively (see freeciv.org, or Terasology, or 0 AD etc). Source: 5 months ago

While many CivFanatics have probably heard of FreeCiv and Civ2Clone, there is also another freely available opensource indie game inspired by Civilization 2 called C-evo! C-evo aims to recreate the classic mid 90s TBS Civ2 like experience, but with more emphasis on a custom military unit designer, extremely powerful/deadly AI, and careful design of the rules, resulting in a true challenge. The game uses similar... Source: 6 months ago

FreeCiv uses its own FOSS engine[0], can keep you occupied for days. [0] http://freeciv.org/. - Source: Hacker News / 6 months ago

The client and server are separate binaries; they are released together on freeciv.org, but Linux distributions put them into different packages. Source: 10 months ago