Some vendors that sell LDO and other kits
https://west3d.com/collections/kits/LDO
https://kb-3d.com/store/151-shop-full-build-kits
There are others and you can check out the discord, YouTube channels like Nero 3D “The Canuck Creator” and “Steve Builds” for more info
I don’t write games but a lot of people that do often say something similar. Do play tests for the concept/mechanics.
This way you don’t spend time/energy and resources on art and assets that won’t be used, etc.
Similar to a minimal viable product in regular dev or, perhaps a better analogy, technical demos.
You want to write a site or app that fetches API data for GPS, calendar and Weather and show them together? You don’t start with the UI. You start with:
Once you know you can and that it “works” you build around it.
So like you said. I have boxes, and this other box (or static PNG of a cat) moves around them and when I move this way it drops the box down on another box.
Does that work? Does it feel “fun” to arrange them? No, it feels tedious or can’t get the collision right? Then let’s try a different angle or taking the part that did work and iterating on it.
This also leaves you open to random bugs that end up being “fun” when you lean into them.
Game Makers Toolkit has some good videos on his journey making “Mind over Magnet”. Here’s the playlist.
https://youtube.com/playlist?list=PLc38fcMFcV_uH3OK4sTa4bf-UXGk2NW2n
There’s also PirateSoftware whose entire stream is devoted to “go and make games”