The game "Grow a Garden" was originally created by an anonymous 16-year-old developer known by the username "BMWLux." This original version was made in just a few days. Later, Janzen "Jandel" Madsen from New Zealand and his development team, Splitting Point Studios, acquired a share of the game and expanded its development with additional partners like Do Big Studios. The game's incredible popularity grew under this joint development effort.

To summarize:

• Original creator: Anonymous 16-year-old known as BMWLux
• Development team after acquisition: Janzen "Jandel" Madsen and Splitting Point Studios
• Additional partner: Do Big Studios
• Original development time: A few days
• Game platform: Roblox

This collaboration turned it into one of the most-played games on Roblox with record-breaking concurrent user counts.