Bioshock 2 (360): COMPLETED!
At a rough guess, I think I’ve put around 18 hours into this. My understanding is you can complete it in under 10, but since I have OCD, I had to search everywhere, examine everything, access every bit of the map, open every door, hack every machine, rescue every Little Sister, max out every research track, buy every plasmid and gene tonic slot, and listen to every audio diary. I even found myself using up ammo just so I could …