This document discusses a comparative study of history textbooks from post-Soviet countries like Belarus, Russia, Ukraine, Chechnya and Tatarstan. The study uses a mixed methods approach including game theory and narrative analysis. It models the strategic choices authors face in these systems and how stories are told. Results show diversified and sometimes conspiratorial interpretations of recent history. Mikhail Gorbachev is portrayed differently across cases, sometimes as a symbol rather than person. The analysis aims to reveal official history schemes and nation-building processes through textbook comparisons.