Heartbeat Stopwatch

 About

Heartbeat Stopwatch is a tiny millisecond timing challenge.

Watch the clock, trust your sense of time, and stop it at the target moment. Every round measures how early or late you were in milliseconds. The standard challenge combines three rounds—the lower your total error, the better.

Features

• Three-round total-error challenge
• Whole-second, decimal, and custom-target practice
• Millisecond-accurate early/late results
• Mouse and touchscreen controls
• Plays instantly in the browser

Controls

• Mouse/touch: select buttons
• During a round: press Stop at the target time

Privacy

The browser edition does not use a developer-operated server, upload scores, or access contacts, photos, or location.

Credits

Made with Godot Engine.
Noto Sans SC is licensed under the SIL Open Font License 1.1.