Don't make the music loud af in the menu with no way to turn it down
That alone is worthy of a thumbs down
Wolfenstein with better (just barely) graphics and worse controls. If you get a kick out of insanely difficult and repetitive gameplay then by all means jump on in.
Allow my to qualify by saying the levels you walk around shooting or slashing zombies aren't hard at all, just be prepared to do the same thing for an extended period, which I can do, so...
Warning: Asset Flip!
Invention 5 is a Digital Homicide style asset flip, or what Valve calls a "Fake Game". The "developer" paid for/pirated a few asset store assets, dumped them all in a blender, and submitted it to Valve as if they're real game developers.
Two notable criteria for what makes an asset flip instead of legitimate use of stock assets...
Eh, If this cost $1 I'd say no. But its free to play so it's worth trying out for 15 minutes of your time. https://www.youtube.com/watch?v=TGQHtGwKUXA&t=840s
Please no in 2024. Maybe yes as a high school project. But don't bother giving more than half an hour of your time to kill some boredom.