Across the long arc of technological change, the tools we build to preserve culture often arrive quietly, in the form of open-source projects sustained by volunteers. RPCS3, an emulator dedicated to the PlayStation 3, has reached a point where a physical disc — inserted into an ordinary computer — is enough to bring a game from 2006 back to life, without conversion, without duplication, without waiting for a corporation to decide the past is worth revisiting. It is a small technical milestone that carries a larger meaning: the games people own, on the discs they still hold, need not become sil