If you want to play this game offline and without any browsers after December 2020, then download .swf game file and use any Flash Player that runs .swf files.
Another way to play flash games is to install SuperNova SWF Extension (it works in Chrome only).
This was fun, only died every few seconds.
If you like it, find a full version which is on Stream. It has more content and even user generated levels.
i feel ya sans drill
this game is fuking difficult