The is a standalone executable (interpreter) designed to open and play .qsp game files. While there are several versions of the QSP player available (including the older 5.x series and the newer QSP Player 8.x), the "1.9 Sonnix" edition holds a unique place in history.
: It is a compatible fork of the official qsp.su engine, meaning it can run most legacy QSP content while offering better performance on modern operating systems. 1.9 Qsp Player By Sonnix