Build a Base RNG Wiki

Where the numbers come from

This site publishes three kinds of value and labels which is which on the page itself. Nothing gets estimated to fill a gap.

Official

Game totals, developer, dates and the current update come from Roblox's own API and store description. These are quoted directly.

Observed

Roll odds, object stats, skill costs and crafting percentages were read frame by frame from public gameplay recordings. Every one records the clip it came from, and you can hover the badge on any page to see it.

Not yet observed

Two of the twelve rarity tiers have a confirmed colour but no confirmed name. Sixteen of twenty-one crafting recipes are unseen. Most objects have no stat card. All of that is left visibly blank — an empty field here means nobody has seen the number, not that it is small.

What we will not do

We do not publish a stat because it seems plausible, and we do not repeat a figure because other sites agree on it. The 7x Galaxy multiplier is the clearest example: it is widely quoted and does not match the 10.5x we measured on screen.