Controls were nonintuitive with no text to explain anything (why double click?) and sometimes unresponsive. I tried single and double, and double seemed to be what worked, so I'm just guessing here. Dragging the doors took me a while to understand as well.
After the conundrum with controls, puzzles were easy and boring - nothing seemed to be themed towards the afterlife, artistic, or emotionally involving. Your sound effects are good, but you're desperately in need of a spriter or other artist.
Even a vaguely human shaped character would help with immersion, and having more puzzle elements would enhance your game. Finally, the game almost plays like a platformer, except relegated to point-and-click controls, which during the entire process felt awkward.
Potential is there. Keep improving.