Big Ambitions 1.0 released on August 28, 2026. Its Steam Early Access release was March 10, 2023. [steam]

What to do

  • Use August 28, 2026 when referring to the full 1.0 release.
  • Use March 10, 2023 only for the start of Steam Early Access.
  • Check the official news feed for post-launch patches.

Why this answer holds

Steam lists both dates and now marks the game as released rather than Early Access. [steam]

Version 1.0 check

Dates are verified against the live Steam store on August 31, 2026. Regional store formatting may display the same date differently.