https://www.gog.com/game/world_of_goo (was also free on Epic Game Store a while ago, plus in a million different bundles)
for example.
The games used as tests seem to be lower end indie titles that can be found DRM-free (because you don't also want to have to work around that)
https://www.gog.com/game/world_of_goo (was also free on Epic Game Store a while ago, plus in a million different bundles)
for example.
The games used as tests seem to be lower end indie titles that can be found DRM-free (because you don't also want to have to work around that)