The temple itself is huge! I'm really impressed by all the detailed shapes and unique rooms / corridors you put into the structure, which made exploring the temple feel really nice!
I initially thought I needed to find two keys to open the two starting doors, so I spent a lot of time wandering around outside looking for keys, haha! A popup notification showing the player to press "X" at these doors would be nice, just so clueless players like me don't get hung up on them.
This is a really solid start to a 3D dungeon exploration game. I enjoyed walking through the temple and reaching the end artifact!