Here is the full list of all 21 Berserk Boy achievements.
Begin your adventure.
Save the day for the first time!
Get 100% Resistance in 6 stages!
Get a 50 hit combo!
Unlock the Flame Drill Form!
Unlock the Ice Kunai Form!
Unlock the Soaring Wind Form!
Unlock the Mine Buster Form!
Defeat Genos?...
Purchase your first upgrade from Dr.Quinn.
Purchase all upgrades from Dr.Quinn
Reach the credits. Thank you for playing <3
Collect 50 medals!
Clear all EX-Stages!
Restore peace to New Hope City.
Achieve S rank for the first time!
Get over 60,000 score in any stage!
Collect 75 Medals!
Achieve S rank on all stages
Achieve S rank on all EX-Stages
You've rescued everyone in the resistance!