This bug only happening in the WebGL build. Either my build settings are wrong or something is wrong with unity's export system, probably the latter(cause it plays fine sometimes).

Should I remove the WebGL build?

Anyway thanks for playing my game!

private GameObject Level;
private IEnumerator LoadLevel(int i)
    {
        .
        .
        .
        Destroy(Level);
        .
        .
        .
        Level = Instantiate(Resources.Load<gameobject>("L/L" + i), transform.position, Quaternion.identity);
        .
        .
        .
    }

This is what's actually happening behind the scenes.

I wanted to keep the game easy for everyone to finish, so yeah it was kinda intentional.

No it's not supposed to happen xD

Is this the Web GL build?

Thanks for the appreciation and playing my game.