What are some alternatives?
When comparing OpenArena and Quake, you can also consider the following products
Xonotic - Xonotic is a free (GPL), fast-paced first-person shooter that works on Windows, OS X and Linux.
Doom - Doom is a science fiction horror-themed first-person shooter video game in which players assume the...
Unreal Tournament - Unreal is a series of first-person shooter video games developed by Epic Games.
Counter-Strike - Counter-Strike is a PC-exclusive FPS video game developed by Valve Corporation.
Red Eclipse - Red Eclipse is a fun-filled new take on the first person arena shooter, built as a total conversion...
Overwatch - Stylized team-based FPS