As an automation enjoyer I liked the idea and was eager to try your game!
I only saw one “challenge” level present. I think more would be fun even if they are not really challenging the player.
Some bugs/unintended behavior:
- You can place several blocks on the same block. That means you can place conveyor belts on the “walls” and they work fine.
- The “final score” keeps increasing after the timer is over.
- I couldn’t get a jump pad to work, but that’s probably on me being lazy after I discovered you can place everything on top of everything.