Zero-G is a free hard-science MMO set in a 1:1 scale Solar System that runs in a browser tab. No download, no client, no install, no key to redeem. The universe is persistent and has not been reset since January 2026. There is no PvP the enemy is the aliens.It now has 1,881 registered pilots and over 6,500 accounts, and this week it got the biggest change in its history.
Players can buy land on a planet and build on it permanently.A licence from a land office grants a circle 100 metres across, and you choose where that circle goes by looking at the actual planetary surface in 3D and clicking the spot you want. Real coordinates, on terrain built from the altimetry of the NASA missions that mapped each body Mars from MOLA, the Moon from LOLA.You can only buy in a quadrant that has been published, and a quadrant becomes published when a player surveys it fully and sells that data to a land office, making it public for everyone. Every plot that anyone can ever buy exists because another player found it first. Mars has 44,944 quadrants and 128 have been fully scanned, so most of the planet is still dark.
Your first structure is a beacon called a Pharus. Place it, and it lays a platform across your claim filling in everything below it, letting whatever is higher stand through.Which means the terrain sends you the invoice. A flat plain costs almost nothing. A crater rim, a ledge on a mountainside, a narrow peak those cost a fortune, because the platform has to be built up from nothing. In testing, the fill beneath a base ran to around fifty times the cost of the surface laid on top of it.We expected players to optimise for cheap ground. Some are. Others are paying for the view, because a base on a high peak looks extraordinary, anyone who flies past can see what it cost, and high ground is easier to defend.
A working base needs a reactor, a habitat where your pilots live, a landing pad and a warehouse and you have to get power to each one physically. Cables are priced by length and by the load at the far end, so the direction you run them matters as much as the distance. A star layout costs more and fails gracefully; a chain is cheaper and one failure takes out everything downstream. Move a building later and you pay to wire it again.Bases are permanent, they are visible to other players, and you choose who may land: private, your venture, or anyone. Two players had bases standing within hours of release.
Also in this release: a completed base is announced to every player in the public log, loading is faster on slow connections, and the cruise top view zooms out twice as far. The release before it added the Orbita Index, a live overview of the whole Solar System with each body's publicly known ore deposits sorted by rarity.The full guide, with twenty screenshots, is at https://space.zerog.live/info/bases.html and there is three minutes of footage at https://youtu.be/xChns-qLmr0Play free, in your browser, nothing to install:https://space.zerog.live/?utm_source=browsermmorpg&utm_medium=article&utm_campaign=release_570
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