Perfect Circle OTG vs Circle Zen

Perfect Circle OTG is a quick, satisfying drawing challenge: try to draw the most perfect circle by hand. Get instant scoring and a clear breakdown after each attempt—great for bite‑size practice on the go.

Can you draw a perfect circle freehand? A simple yet deeply satisfying challenge game. Use just one finger to draw a circle around the glowing center point — without lifting your finger. When you finish, your circle is scored on how "perfect" it truly is. ■ How to Play Place your finger on the screen and draw a circle surrounding the glowing center dot in one continuous stroke. ■ Score Breakdown · Roundness — how smooth and even your circle is · Center — how well your circle surrounds the target point · Closure — how cleanly your start and end points meet ■ Ranks 0–35% Far From Round 36–51% Keep Trying 52–67% Almost Round 68–79% Good Circle 80–89% Great Circle 90–94% Excellent Circle 95–97% Perfect Circle 98–100% Legendary Circle ■ Perfect for · Killing a few minutes · Sharpening your focus and fine motor skills · Competing with friends for the highest score Simple to start, hard to master. You'll want to keep trying.