Developer Journal
What we built → why → what happened → what we learned
These notes come from shipping Focus Drop — not from generic SEO templates. For independent education on reaction time (useful even if you never play), visit Reflex Lab.
Product & design
Why We Built Focus Drop
Restraint as a skill, not only speed.
How We Designed the Perfect-Tap System
Radii, multipliers, and why Perfect compounds.
Why Catch Height Changes the Score
1.8× early vs 0.6× late risk curve.
Why We Added Bombs
No-go targets and readable impulse control.
How We Designed Storm Season
New objectives without dumping chaos.
How We Balanced Level 30
Zen Master as graduation exam.
How We Designed the Daily Challenge
Seeded fairness and remixed verbs.