Play the game here: https://qake.se/demo
Also on Chrome Experiments: https://www.chromeexperiments.com/experiment/qake
Upcoming version preview can be played here: http://qake.se/demo2
Qake is a voxel-engine written in Javascript with ThreeJS as graphic library.
Unpack the tarball with the nodejs server: tar xvfz qake_server.tar.gz
Install nodejs and run "cd server; nodejs server.js". Then point your browser to http://localhost:8081