Morse Runner is a Windows-based contest simulator developed by Alex Shovkoplyas, VE3NEA. Using Wineskin, it has been successfully and seamlessly run under OSX, and made available here for download. Sure, you could use Wineskin to do this yourself (and save me some bandwidth), or you can pull the ready-made dmg from here.
Running Catalina? Go to 'Download' to read the latest (and grab a box of tissues)

: Subtle tweaks to the movement engine ensure that footwear and leg animations react more naturally to the environment.
It functions as a modular addition to the main Girlvania directory, requiring the base game to be installed first. Community and Critical Reception
The expansion adds high-detail locations like outdoor lounges or seaside retreats to serve as backdrops for the simulations.
: Creators can use this pack to offer more customization options to their audience, allowing users to personalize characters to their liking.
: The expansion pack is designed to be compatible with existing Girlvania models and a range of 3D software applications, making it easy for creators to integrate these new assets into their work.
: Subtle tweaks to the movement engine ensure that footwear and leg animations react more naturally to the environment.
It functions as a modular addition to the main Girlvania directory, requiring the base game to be installed first. Community and Critical Reception Girlvania Summer Lust Expansion Pack Legs Feet Version 1 2 2
The expansion adds high-detail locations like outdoor lounges or seaside retreats to serve as backdrops for the simulations. : Subtle tweaks to the movement engine ensure
: Creators can use this pack to offer more customization options to their audience, allowing users to personalize characters to their liking. Girlvania Summer Lust Expansion Pack Legs Feet Version 1 2 2
: The expansion pack is designed to be compatible with existing Girlvania models and a range of 3D software applications, making it easy for creators to integrate these new assets into their work.
If you have questions or comments about using this application under OSX, please email them to ki4stu k4iz at arrl dot net.