Because these tiles have more detail then the indoortiles, I decided to add a little but of detail to the indoor ones. I also made walls that disappear and reappear when you step on a button:
I see you’ve made such nice progress. Do you feel ready to add some sounds? It’s pretty easy even with logic bricks and some subtle sounds will enhance your lovely game even further. You could add a small icon of a battery near the “baterries left” text so it’s absolutely clear what you look for and where they go when collected. Just a minor touch. It looks you’re more than half way through towards a finished product.Keep going!