How do I experience this?
An Oculus Quest 2 using a cable or the air link feature or a rift (I used openxr but I haven't tested it anywhere else)

What did you use to make it?
Unity and an Oculus quest 2
The assets used for creating the game are:
https://assetstore.unity.com/packages/3d/props/free-witchcraft-and-wizardry-asset-pack-141428
https://assetstore.unity.com/packages/2d/textures-materials/pbr-material-bundle-vol1-445-128817
https://assetstore.unity.com/packages/3d/characters/humanoids/fantasy/chibii-monsters-bundle-25230
https://assetstore.unity.com/packages/3d/environments/polyquest-worlds-full-pack-vol-1-74631
https://assetstore.unity.com/packages/3d/environments/fantasy/spooky-cemetery-bundle-22270
https://assetstore.unity.com/packages/audio/music/orchestral/colossal-game-music-collection-88190