For starters, I originally started playing this when it was in early-access and just one world. It was pretty much sandbox exploration, and even then it was tons of fun, but could only play so long before everything was unlocked, and at that point I shelfed it for awhile.
It was shelfed for quite awhile, but recently have blown the dust off of it and did a few lengthy gameplay sessions, and since it's official-release on March 7th, 2017, it's really transformed into a mind-blowing and amazing game.
Now you start on three planets that act as tutorial worlds... once you gain the needed gold blocks from those starter planets it unlocks random-generated small-worlds. As the game goes on and you earn more gold blocks eventually medium-worlds and so on get unlocked for further generation. But here's where it gets amazing... you "search for a random world" which means it randomly generates a world in a location in space, as time goes on, and you "search" for more, it saves the original planet(s) you've generated and generates a new planet in a new location in space... and the larger the world-size you've unlocked, the better the generation... so for instance, once you unlock medium-worlds, you can generate a planet with a medium-world while still having your planets with small-worlds. Thus populating a galaxy/star-system that you can travel back through various worlds the more you play.
In each of those worlds you get various tools from a landscape-tool, to a copy-tool, to a paint-tool, to a camera, to a discovery-tool (used for discovering and spawning objects), to various weapons and other hand-held tools such a lantern, ninja sword, bow, paint-ball gun, pistol, rifle, etc.
There's also multiple modes to the game as well... since it went full official-release, I've only played Adventure Mode so far, but there's also a Sandbox mode, multi-player local as well as joining somebody else's game, an area to enter codes, the pre-setup means for add-on content, even the means in the main-menu to browse what I'm assuming are Community Builds with the option to save the model you're viewing or flip through other models.
Lego World now offers so much for the player, that not even the sky is the limit. Definitely worth checking out as the gameplay hours alone more than make up for the purchase price and then some! :)
PLUS: ReShade works with Lego Worlds... graphics are already fairly decent, but can touch them up even more with ReShade. ^_^
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