1 in 8 Billion is a free browser life simulation at 1in8b.life. You receive a random birthplace and family, then follow one person through the choices and circumstances of a whole life. To begin, choose Today, Babies born now and a pace, press Be born, then Begin this life.
The simulation uses public statistics for 172 countries and territories. You can play on a computer or in your phone’s browser without registering or installing anything. The developer’s introduction says complete lives are free and ad-free, with an optional paid keepsake pass for extras. This guide walks through the controls you need for a first life.
Checked on October 27, 2026, in the original English game, v0.8.55 beta, using desktop Chrome. We started a separate test life as Soe Moe in Myanmar, played through age seven, changed the draw and focus controls, and checked pause, speed and Auto mode. Screenshots below come from that test. Later-life details are identified as developer documentation. This is an independent player guide.
Start your first life
- Open the original English game. Scroll past the map and shared stories to the birth settings.
- Select Today and Babies born now. These give you a present-day starting point with countries weighted by annual births.
- Pick About 30 min for a shorter first session, or About 1 hour for more reading time. Both let you pause and change speed later.
- Leave Where you were actually born unanswered if you prefer. It is an optional comparison, not a way to select your character’s country.
- Press Be born, let the draw finish, and read the birth registration. Then press Begin this life.
- Once the main screen appears, press Pause if you want time to look around. The button changes to Resume.
The game is intended for ages 15 and up and includes difficult subjects such as death, illness and violence. Its start screen offers Leave out frightening scenes; the developer also provides a separate classroom mode and teachers’ guide.
What the birth settings change
You choose the world, the weighting of the draw and the pace. You cannot choose the character’s country, sex or family circumstances.
| Setting | What it changes |
|---|---|
| Today | A life using the present-day setting. The screen says today’s statistics hold through the life. |
| The past | Reveals a birth-year selector. We checked this control; the developer documents years from 1950 to 2025 and historical events during the life. |
| The future | Begins now and continues into a changing world based on projections. We checked its setup description, not a complete future life. |
| Any world | Randomly selects the past, today or the future; a past-world draw also chooses the birth year. |
Under How your country is drawn, Babies born now weights countries by births; The 8 billion alive now weights them by population. Neither gives every country an equal chance, and both begin your character at age zero. In a past world, the labels change to refer to that year.
The 30 / 60 / 90-minute options set the approximate time to reach the country’s life expectancy. They are not fixed session lengths or a promise that your character will live that long. Reading, decisions, pauses, speed and the eventual lifespan all affect the time you spend.
Amounts in changes how money is presented at the selected place’s price levels. We selected US ($) for this test. Treat it as a purchasing-power display, rather than converting the figures with a currency exchange rate.
Read the birth card and the four status bars
Our draw produced Soe Moe, born in rural Sagaing Region, Myanmar, in August 2026. His family was in the country’s poorest income fifth, and both parents were smallholder farmers. Those details appeared before we made a decision.
On the main screen, Status contains four bars from 0 to 100. Open What do these mean? for the game’s explanation.
| Status | What to pay attention to |
|---|---|
| Health | Physical condition, survival risk and the ability to keep working. |
| Happiness | How the life feels, including the effects of health, money and people. |
| Knowledge | Learning and opportunities in education and work. |
| Relationships | Connections with family, friends and partners. |
These are useful signals when you weigh a choice. A higher bar does not guarantee a particular result. In our test, the Knowledge explanation also cautioned that family resources and the country’s schools matter more, and gains above about 70 have limited additional effect.
Choose a focus and answer decisions
This year’s focus and the decision cards are two different ways to participate.
During infancy, our focus panel explained that yearly focus choices begin at six. We still received a childhood decision at age two. If you cannot find a study or exercise choice immediately after birth, check the character’s age and the text in that panel.
By seven, Soe’s options included Help at home, Friends & play, Exercise and Hobbies. We changed the selected focus to Friends & play; its chip highlighted and showed the intended relationship and happiness effects. You can change your focus during the year. Read the options available in your own life, since they depend on the character’s situation.
Decision cards stop the action and ask for a response. Read the circumstances and any conditions beneath the choices before selecting one. Set aside lets you inspect the page behind a card; Open it again returns to the unanswered decision.
Soe had already left school because money was tight. At seven, a card offered a chance to ask to return. The option explicitly said the result depended on his family’s situation. Choosing something desirable and being able to obtain it are different parts of this game.
Pause, speed up or let Auto mode play
The time controls sit across the top on our desktop screen.
| Control | When it helps |
|---|---|
| Pause / Resume | Stop to read the record or inspect your current circumstances. |
| 1× to 16× | Change how quickly the years pass. We checked 16×, then paused again. |
| Next decision | Move ahead toward the next choice. In our test it reached the childhood decision at age two. |
| Auto mode | Let the game handle decisions while you watch. |
Auto mode also handles yearly focus and spending habits. When we enabled it, the game specifically mentioned dinners, gifts and support for parents. Turn it off if you want to manage those choices yourself, and inspect recurring purchases separately. Our automatic-gifts and spending guide explains the two gift settings we tested.
For a first life, start slowly enough to read a few years. Speed up when you understand the screen, then pause whenever something deserves a closer look. The developer’s official introduction explains where to find Auto mode in the ⋯ menu on phones.
Notice the other four lives and the reflection pauses
Born in the same second follows four other fictional people alongside your character. Their lives have different beginnings and outcomes. The comparison is part of understanding the world around your life, rather than a route you can copy.
In our test, the four were born in India, Guinea, Mozambique and China. At Soe’s age-five pause, the game brought their situations together and asked what he needed most. Writing a response was optional; we continued without entering one.
The Pauses control lists reflection ages 5, 15, 30, 50 and 70. We checked the first pause directly; the later ages are listed by the game. Leave the control enabled if you want those moments to stop the clock.
Keep your progress and understand spending
Ordinary progress stays in the browser where you play. After we paused and used Exit, the start screen offered Continue for Soe at age seven. Changing browsers or clearing site data can leave you without that local copy.
Use our save and browser-transfer guide before moving to another phone or browser. We used a private window to isolate this test; use a normal browser session for a life you want to keep.
When money information and Spend & invest become available, read the named entries in Life record before changing settings. A falling balance can have several causes. If recurring gifts are the problem, follow the checked steps for reducing automatic gifts and wedding contributions.
What happens when a life ends?
The developer explains that survival is calculated year by year, so a life may end early or continue well beyond the displayed expectancy. A death record looks back on the life. We did not play Soe’s life to its end for this guide; those ending details come from the official explanation.
For a complete example from a saved player record, read Ivan’s 94-year life in Bulgaria and Germany. His happiest year, highest income and greatest wealth arrived at different ages. That is a useful thought to carry into your own first life: pay attention to the person taking shape alongside the numbers.