ROUNDS
11 Achievements
1,000
0-0.5h
Xbox One
Xbox Series
Hypersonic
Fire a bullet with over 350% projectile speed
50
53.51%
How to unlock the Hypersonic achievement in ROUNDS - Definitive Guide
lucas1987
TrueAchievements
TrueAchievements
Edit (2/26) so patch already came through and fixed the achievement. I went into Sandbox and pressed 
and typed the card name 'fast forward' 5 times and this did NOT unlock it but I did type 'fastball' twice and then the achievement unlocked.
Original:
Hello!
Thanks for reporting this to us! We are currently working on a patch that will fix some bugs, including the Hypersonic achievement, and hope to release it soon :)
Message I got from the developer 2/26.
and typed the card name 'fast forward' 5 times and this did NOT unlock it but I did type 'fastball' twice and then the achievement unlocked.Original:
Hello!
Thanks for reporting this to us! We are currently working on a patch that will fix some bugs, including the Hypersonic achievement, and hope to release it soon :)
Message I got from the developer 2/26.
