The result of ‘Tug-Of-LED’ is inconsistent on sim and hardware

[Sheila111]

Describe the bug
The result of ‘Tug-Of-LED’ is inconsistent on sim and hardware

Steps to reproduce the behavior
1.Navigate to https://makecode.microbit.org/beta#
2.Games---->Tug-Of-LED
3.Run it on the sim
4.Run it on the hardware

Actual behavior
The result on simulator:
When I press button A many times, there just shows 'A wins'(There doesn't show a dot before A wins)
But when I press button B many times, there just shows '·B wins'

The result on hardware:
When I press button A many times, there just shows '·A wins'
But when I press button B many times, there just shows '·B wins'

Additional context
1.OS: Windows(rs6)
2.makecode.microbit.org version: 3.0.1
3.Microsoft MakeCode version: 5.37.83