When comparing Terasology vs Warzone 2100, the Slant community recommends Warzone 2100 for most people. In the question“What are the best open-source games?” Warzone 2100 is ranked 12th while Terasology is ranked 79th. The most important reason people chose Warzone 2100 is:
Although it can be confusing to get the tech you want at times, Warzone has a complete tech tree that ranges from vertical take-off and landing crafts to laser guns and missile launching cyborgs, and includes four hundred different techs and upgrades.
Specs
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Pros
Pro Well written in Java
Java is well documented.
Pro Nice looking
Shaders, bloom, film grain and other effects can be enabled.
Pro Free sandbox alternative
The game is inspired by other titles like Minecraft and Dwarf Fortress.
Pro Fully moddable
In the game you can create a mod and submit it as a module. You can select multiple modules when you make a new world.
Pro Extremely modular
The engine allows mix-and-match of features that you need.
Pro Active community
The community is very active in the development of the game, they participate regularly to Google Summer of Code and Google Code In.
Pro Can be Minecraft competitor
An open source alternative, fully customizable; easy mod support based on module pieces.
Pro Big tech tree
Although it can be confusing to get the tech you want at times, Warzone has a complete tech tree that ranges from vertical take-off and landing crafts to laser guns and missile launching cyborgs, and includes four hundred different techs and upgrades.
Pro Custom unit assembling
The game permits you to research vehicle tech under three main forms, weapons, chassis, and locomotion. The player must then assemble their own design, from the tech they have discovered. This permits a wide range of customizability in units.
Pro Big game scale
Although there is a limit to a number of units, Warzone permits pretty massive armies.
Pro Open source
It's free so you can't lose anything if you don't like it and anyone can help in the development by taking the sources of the game.
Cons
Con Buggy
Con Unstable
Con Slow
Con Units stay stuck everywhere
It's like there is sticky glue on everything, units just hit things and stay stuck. This creates bottlenecks in armies, and often impedes on army mobility and reliability.
Con Must micromanage, despite the fact commanders should avoid that
On the other hand, they do avoid a lot of micromanagement if the land is easy enough.