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 |
|---|---|---|---|
| 9958 | 2018-03-12 19:40:04 | 70.44 | 98% |
| 9870 | 2018-03-09 16:29:58 | 89.61 | 99% |