On Hard your towers cost more than normal, the Bloons move faster and you have 100 lives only. Beating round 85 in hard difficulty awards you a gold medal for that track.
| Game | Time | WPM | Accuracy |
|---|---|---|---|
| 2111 | 2020-11-23 08:18:52 | 50.26 | 96% |
| 134 | 2020-08-15 03:50:13 | 36.25 | 95% |