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SIGMA An FPS game that simulates the style of the late 1990s The game was approved on March 13, 2022 and its development ended on June 2, 2022. Game background: in 2025, the United Nations established an anti-terrorism force code named sigma. The United Nations, which usually yearns for peace, actually selected the last survivors in the way of "four people Massacre" and then incorporated them int…
