Not officialBTBS is made by an independent developer
The Roblox game page for BTBS states clearly: we are not affiliated with the Block Tales or ROLVe devs in any way. This page is a neutral explainer, not a review. Use the build maker and the official game page when you want the real Block Tales experience.
What it doesCustom battles in a sandbox
BTBS lets you create a character, set any level, equip any badges, and stage custom battles with any Block Tales enemy. The Roblox description frames it as a sandbox for testing custom battles, not a story game. It is the closest thing on Roblox to a Block Tales battle sandbox.
ScopeWhat BTBS is NOT
BTBS is not an MMO, not a story chapter, not a live-service Block Tales mode, and not endorsed by Spaceman Moonbase. It does not sync progress with the official game, and it does not pay out BUX, TIX, or items that carry over. Treat it as a separate fan experience.