Hi! Thank you for checking out the game and giving me your feedback! I agree with your critique of the environment of the game - given more time, I certainly would've liked to fill the world a bit more. I'm glad you enjoyed the puzzles and were able to figure out crouching! Fair point about the ending, haha. The green coloration is meant to show that that person is a hologram, but I can see what that might represent to the player.
Thank you for taking the time to comment and make a video for TLU!