The landfill is very disorientating and feels hopeless... which I guess aptly illustrates the endeavour at hand.

So I found the chest first, after accidentally discovering the sonar while trying to jump, and was like OK now what, then came here and read the comments.
Then I found the level with the lights, which reminded me of the mobile game Glass.
Then the one with the disappearing platforms, which is incredible what you achieved with basically just the Unity cube! Part of me wants to experience that in VR, and another part of me wants to kill the other part.
Then I returned to the landfill and the game froze :(

I totally didn’t realise about the sonar/radar (should have read the Itch page properly!) but found a pipe and the platform levels – eventually got stuck on one platform level (one that rotates with you on it, and you have to go over the edge and onto the other side; couldn’t do it) but otherwise enjoyed it. Wasn’t sure whether/how the platform levels merged into the story, was it like a dream sequence? Either way, I liked the terrain and environment deformation bit. Got a good “Lost and Found” vibe off it!

We found the chest just by digging out everything - but never found the keys!

We probably played it wrong or missed something obvious - but I think there needs to be a bit more guidance on what you should be doing at any given time.

The digging mechanic worked great and the world was well put together. I'll give it another go later and see if I can actually figure out what I'm supposed to do :p

Took me a while to figure out the main mechanic for finding the first objective, then passed the puzzles and not sure what to do next.