This map was made for another edition of an event called "MiniKup" organized by Kann (kan_62 on TM) & Skypi (skypi11 on TM).
The MiniKup consists in competing on 5 short maps created in 20 minutes by the players, following a random rule chosen during the event.
for more informations, you can follow Kann on his twitch channel :
https://www.twitch.tv/kann_6
... or join the discord :
https://discord.gg/xn3JQzsjSy
Enjoy !