An encouraging start with Unity by the developers 🌟🎮.

GAMEPLAY
Embarking on a 3D adventure with a new Unity development team is no small feat, and your game demonstrates commendable effort and potential. The quest to reach the church and explore the 3D world is engaging, although the controls, particularly jumping and navigating obstacles, could be refined for a smoother experience. Falling into lava or missing pillars while jumping occurred to me too often (can also be a lack of skills of course ;-) ).
Addressing the already noted bugs and considering the addition of a HUD could significantly enhance player orientation and interaction.

ART STYLE / VISUALS
For a first attempt at a Unity 3D game, the graphics are solid. Details like the meteor shower add a nice touch to the world.

AUDIO / SOUND DESIGN
While the footsteps provide a sense of presence in the 3D city, the absence of background music is felt. A soft, eerie soundtrack could elevate the atmosphere, immersing players more deeply into the game's environment. Varied footstep sounds would also add to the realism and depth of the audio experience.

INNOVATION
While the game may not break new ground in terms of innovation, it stands as a solid learning project for the team, laying the groundwork for future development.

THEME
The theme is touched upon, check!

Overall, this game represents a promising beginning for a team almost new to Unity 3D development. Keep up the great work and stay passionate about your development journey! 👏👾🕹️

Not bad, but quirky.  I don't know if the zones in which ground doesn't have collision are intentional, i supose not, but it cuts the flow  of the game a bit. Anyway, its innovative and have direct relationship with theme.