A detailed achievement guide and walkthrough to get you your 100% as quickly and effortlessly as possible. Step by step instructions. Introduction Estimated difficulty: 2/10. Estimated 100% time: ~3-4 hours. Offline/online achievements: 23 offline / 0 online. Number of playthroughs: 2 minimum + cleanup. 7 if you don’t hour skip for endings. Glitched achievements: None that I’m aware of….