Bitlife's Outstanding Advantages
High freedom: There is no right or wrong, you can become anyone and live any life you want.
A lot of rich situations: Continuous updates add careers, achievements, mini games (like driving license exam, gambling, theft...).
Genetic and demographic system: Each character has a different origin, nationality, family and personality - this affects opportunities, risks and results.
Highly addictive: Although it is just a text game, following the character's life over the years makes it very difficult for players to stop.
There is a Bitizenship version (paid) that helps unlock advanced features such as building a personal profile, choosing a country of birth, customizing appearance,...