Time Clickers
90 Achievements
100,000 XP
Google Play
Destroyer 1
Destroy 50.0K Red Cubes
1,500 XP
34.73%
How to unlock the Destroyer 1 achievement in Time Clickers - Definitive Guide
Just destroy 50k red cubes. Can be easily done in natural progression, but you can also idle farm like I did to get the achievement.