If you haven't played Half-Life 2, then you can either play this one or the original - this mod could simply be considered the most up-to-date version.

If you've played Half-Life 2 before, then 'doing a 100% run' is a decent excuse to play through Half-Life 2 yet another time.

If you haven't played Half-Life 2, then you can either play this one or the original - this mod could simply be considered the most up-to-date version. If you've played Half-Life 2 before, then 'doing a 100% run' is a decent excuse to play through Half-Life 2 yet another time.