Run Britain · Phase 4 development

Experimental economic engine. Separate local test saves. No live website or existing player save is changed. The fixture campaigns continue after electoral defeats for economic testing; they are not claims of playable victories.

Test a copy of a v61 save

Select an exported JSON file. Only a migrated copy is loaded into this development game. Keep your original file. Genuine player saves have not yet been verified. An already committed Budget finishes using v61 rules.

Loading local fixtures…

Open full playable game · Use New Government for a normal campaign. The frame width is limited by your screen; use a desktop to inspect both exact widths.