Heart Box
34 Achievements
1,000
15-20h
PC
On a knife edge
You completed all levels with spikes!
40
3.37%
How to unlock the On a knife edge achievement in Heart Box - Definitive Guide
VisibleRaptor5
TrueAchievements
TrueAchievements
Complete levels 141 to 150 to unlock this achievement. If you are struggling with the levels, you can use the hint feature at the bottom left of the screen. Additionally, you can check out this video made by the developers. See here:
Necrophage33
This unlocks for completing levels 141-150.
Refer to the "Duck in action" achievement solution for more information.
