Jake2 is described as 'Java 3D game engine. It is a port of the GPL’d Quake2 game engine from id Software'. There are more than 10 alternatives to Jake2 for a variety of platforms, including Windows, Linux, Mac, Steam and Playstation. The best alternative is Counter-Strike, which is free. Other great apps like Jake2 are Doom (Paid), Quake (Paid), Cube 2: Sauerbraten (Free, Open Source) and Red Eclipse (Free, Open Source).
- 17 alternatives
- Doom is a science fiction horror-themed first-person shooter video game in which players assume the role of a space marine, popularly known as "Doomguy", who must fight... Represent entire series of Doom games including Doom , Doom II: Hell on Earth, Final Doom, Doom 64, Doom 3, Doom (2016), Doom Eternal. View 56 alternatives to Doom
- Nintendo Switch Online
- AssaultCube is a free, multiplayer, first-person shooter game, based on the CUBE engine. Taking place in realistic environments, with fast, arcade gameplay, it's addictive and fun!. View 59 alternatives to AssaultCube
No more updates since Nov 2013 : http://assault.cubers.net/ (like Alien Arena, also noticed discontinued)