If you’re relatively new to the Mac world, you may not be familiar with 1993’s Pathways Into Darkness (Free). The first person shooter, from Bungie Software—yes, the Bungie behind Halo—was groundbreaking for its time. Now, 20 years later, Man Up Time has faithfully reproduced the title and made it available at no cost in the Mac App Store. It’s a faithful recreation, and should be fun for both those who remember the game,…