Back in 1958 Lego bricks were patented, meaning only the one company could do anything with them. Patents last for twenty years, though, so it's been a good long time since anyone has been able to make a brick-building system based on interlocking studs, which is why everything from Mega Blocks to Cobi can use the system to create any set they'd like. Lego will go hard after anyone who flies a bit too close to the sun in terms of copying its systems, but a little differentiation is all it takes to make a legally-distinct product with no worries about surprise litigation. Plastic studded brick construction is open to anyone who'd like to design their own systems and components, but no matter how you get your brick-building action the construction is usually done by hand.
Some Assembly Required
The machines of Block Factory are here to do all that fiddly manual labor for you, mining not-Legos from a selection of infinite supply-points and stacking or gluing them into shape. Each level holds a diorama in the center of the level that's missing a number of figurines to bring it properly to life, such as a crow...
