My friend (the author) is a hardworking person who just started learning Unity. I'm amazed the speed he's picking up the engine. He may have started from copying tutorials, but his ability to fix bugs we reported to him, enhance logic and slowly but surely optimize the game is admirable. Please give it a try and leave some criticism here to help a growing future game dev! Thank you!
Now to talk about the game too: We started with just having fun "speedrunning" the game in the office, but later it became a true competition. Maybe it won't be the next Super Metroid 100% glitchless category, but it can certainly deliver 1 hour of fun at least for a small group. For free.