- Sonic Adventure
- Sonic Adventure Completion Estimates
How long does it take to beat Sonic Adventure?
The estimated time to complete all 12 Sonic Adventure achievements is 15-20 hours.
This estimate is based on the median completion time from 71 TrueAchievements members that have completed the game.
These estimates are only for the base game - please see individual DLC packs for their estimates
Site Completion Estimates