The map is voted upon as a random set is chosen that you can upgrade your vote for with DNA
The map used to be able to get flung off of with many speed glitches before it was fixed with invisible walls.
Some people have found glitches to get on top of the walls on the map making only Gas cells to affect you using Membrane
The maps colors are based on how how black/green it is
- Black = Almost Completely Empty
- Dark Blue = Bit Of Structures but mostly Empty
- Dark Green = Lots of Structures and tight Corridors
- Bright Green = All tight corridors and small gaps everywhere
In Era 18, they completely revamped biomes, and terrain. It's now more like your in an actual ocean. And you float aswell.