inZOI Wiki

Aging in inZOI is automatic. Zois progress through nine life stages over approximately 82 in-game days at default settings. Players control aging speed via separate toggles for player and NPC Zois, a day length slider, simulation speed, and cheat commands.

Complete guide to all death types, ghost mechanics, karma system, funeral features, prevention methods, and indirect killing techniques in inZOI.

Complete guide to caring for Newborns and Toddlers in inZOI, the two earliest life stages. Covers Newborn mechanics (1 in-game day, crib-bound, Check Temperature interaction, automatic babysitter), Toddler mechanics (2 in-game days, formula feeding, diaper changes, Toddler Rug sleeping, Cognitive Development skill), adoption of babies, and tips for managing young Zois.

Complete guide to the Teenager life stage in inZOI, covering duration, high school, adult skills, teen romance, business relationships, employment restrictions, and tips for making the most of this short but pivotal stage.

Guide to funeral events in inZOI. Covers the funeral system added in v0.4.0, the three-day ghost period, funeral attendance and mourning, emotional effects on living Zois, and the connection to the Death and Ghost systems.

Complete guide to the Adolescence life stage in inZOI, covering duration, middle school, homework mechanics, personality and values development, emotions, needs, comparison with The Sims 4, and tips for getting the most out of this transitional period between childhood and the teenage years.

Complete guide to the Young Adult life stage in inZOI, covering careers, university, romance, family, business ownership, ambitions, and everything that unlocks when a Zoi reaches young adulthood.

Complete guide to the Child life stage in inZOI, covering duration, elementary school, homework, the four child-exclusive skills (Creativity, Motor Development, Responsibility, Social), values development, daily activities, and tips for getting the most out of this formative stage.

The Adult life stage in inZOI lasts approximately 20 in-game days, the longest non-Senior stage. It begins when a Zoi ages up from Young Adult and gives the broadest career, family, and skill access of any stage.

Complete guide to the Senior life stage in inZOI, covering retirement, death probability, physical changes, ghost gameplay, funerals, aging settings, and tips for making the most of a Zoi's final years.

The Middle-Aged life stage in inZOI lasts approximately 16 in-game days. It is the bridge between Adult and Senior, retaining full career and family access while preparing the Zoi for retirement.