About Just One Boss
ayla~nonsense is credited for Just One Boss. The catalog places it under Reaction, records HTML5, JavaScript for this build, and gives February 12, 2018 as its release information.
Controls and Getting Started
The catalog record for Just One Boss contains no control mapping. If the build shows instructions at launch, those should take precedence over third-party key guesses.
Gameplay Notes
A useful way into Just One Boss is to separate learning from performance: first understand the current Reaction loop, then work on making the same successful choices more consistently.