Which of these online games was originally named LindenWorld in it's early development?

The online game that was originally named Lindenworld during its early development is Second Life. The game was created by Linden Lab and was initially intended to be a virtual meeting and entrepreneurial platform. However, as the development progressed, the game evolved into a full-fledged virtual world where users could socialize, explore, and participate in various activities. The name of the game was later changed to Second Life to reflect its focus on creating a second life for its players in a virtual environment.