All you Have to do for this achievement is 1. Spawn in a semi large platform 2. Lock the Platform in place 3. Attach 100 Balloons to the platform 4. Copy the platform 5. Pop all the balloons on the platforms 6. Repeat the duplication and popping 5 times then say BRB in the chat and leave your laptop/computer for about 10 seconds 7.Then say back, you should then get the achievement