I really liked the music, specially since it seems to pick it up when you start to run low on oxygen.

I think the turning speed could be increased a little. Turning around felt a bit sluggish. Or you could add keys for strafing.

Also, a bit of variation on the wall texture would improve the game's feel a lot!

congrats on finishing your game!

It's a bit of a standard maze game. It doesn't really fit the theme. It's also really difficult, since you can't have any clue where you are, came from, or where the exit is. Also the music doesn't fit the game.

Yes, it's possible add a map or hint for exit.

This reminded me of wolfenstein 3D or doom from back in the day. The controls were good and the music was cool, but I could not find my way out of the dungeon for the life of me. I couldn't tell if I was going in circles or making progress. Nice implementation of a simple maze in a 3D game in a weekend!

I like the music. What did you use to make it? The maze seems way too extensive for the amount of oxygen given to explore it. Also, it seems like there's only 3 textures for the walls so everything pretty much looks the same. All-in-all, not bad for 4 hours!