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The game can fail to load the player's current world and instead generates a new one. Zooming in and out will sometimes cause a huge drop on FPS, this will cause an performance impact, and this will make all blocks disappear, and display an error icon.
FPS counter is inaccurate on some browsers and will sometimes display bogus/random numbers. The sea level in the game world did not match the sea level outside the world.
When exiting and entering the world, the top textures of all blocks that were at altitude became invisible. Clicking on any of these buttons will show the text "" instead of the buttons that allowed the player to save or load a level. For browsers that do not support WebRTC, the URL link and "Copy" button have been replaced with the "Save level" and "Load level" buttons. Ability to copy the URL link to give to other players for them to join. Find and select all the different blocks available. Available to play with up to nine other players, but was temporarily disabled on due to performance issues. Blocks don't waterlog like the one on the right. Placing and destroying blocks switch between the two by pressing use. Generated terrain with hills and lakes, with small caves under the surface. The model is glitched - that is why the humans look short. They are client-side only and will not show up for other players in multiplayer.
They will fall through the bedrock if they go too far.
Oddly, they can walk past the world border.