When comparing The Dark Mod vs Cube 2 (Sauerbraten), the Slant community recommends The Dark Mod for most people. In the question“What are the best open-source games?” The Dark Mod is ranked 20th while Cube 2 (Sauerbraten) is ranked 96th. The most important reason people chose The Dark Mod is:
The game is a community remake of the game Thief, not in terms of story, characters, or levels, but in terms of mechanics. Originally it was created as a mod for Doom 3, but has since been remade with original assets in order to have no liability, though it still uses the same mission. This means the game is free and will stay free. Players can download dozens of additional missions at no additional charge.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free to all
The game is a community remake of the game Thief, not in terms of story, characters, or levels, but in terms of mechanics. Originally it was created as a mod for Doom 3, but has since been remade with original assets in order to have no liability, though it still uses the same mission. This means the game is free and will stay free. Players can download dozens of additional missions at no additional charge.
Pro Good map editor
Pro Multi-platform
Linux, Windows, OSX
Pro Fast and smooth
Graphics not resource intensive. Compared favorably to Unreal engine.
Pro Free
Available under an open source license
Cons
Con Oldish graphics
Although efforts are being done to keep it nice, The Dark Mod runs on an engine from 2004 and definitely looks dated compared to modern games.