The only game hack I've ever discovered by myself (by being too cowardly to proceed through the main route when I was little, wasting time instead on the unatco

The only game hack I've ever discovered by myself (by being too cowardly to proceed through the main route when I was little, wasting time instead on the unatco base, and mindlessly throwing grenades around). It doesn't work anymore in modern mods I've played through; they've patched it.