This is a game I made for a gamejam (unsubmitted), it’s a 3rd/1st person shooter, and it is distributed via source code. It can be download from https://github.com/JimMarlowe/GameFarm/blob/master/BoxVsBoxTerror/LinuxJam2017Source.zip
It’s all Atomic, all day, though it may not be stellar JS coding (for 1 1/2 days) it demonstrates what is possible with low requirements (from the game jam rules). If you find a bug, you get an additional bonus point If you win the game, you get a
Source and Assets MIT Licensed.