Plain Pop It Idle uses gravity as its core mechanic. The physics get wonky unexpectedly sometimes, which is a specific feature. The main goal is to kill time while doing almost nothing.
Clicking on bubbles starts the process, then you upgrade helpers to automate the popping.
The controls are simple but tricky. You tap bubbles and manage upgrades and helpers.
Most players should focus on the tapping mechanic first. The physics getting wonky is a feature you can learn to use.
Q: What are the controls? A: You tap bubbles and manage upgrades and helpers.
Q: What is the objective? A: To kill time while doing almost nothing.
Q: What stated feature exists? A: Physics get wonky unexpectedly.
Q: What is the main mechanic? A: Gravity is the core mechanic.