
Hotabi
Keep the embers until morning
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Free
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About
Hotabi is one small fire, outdoors at night. Cover the embers with ash before they cool. Too much ash can smother them. If they survive the night, rake away the ash and the fire comes back.
It is simulated on your device, with no prerecorded video or looping audio. What you do changes how the fire burns and cools, and the picture and sound follow.
It opens on a hearth covered in ash from the previous night, with embers still alive underneath. A fire rekindled from live embers can produce more heat in its first few minutes than one started from cold. What you save tonight matters tomorrow.
A keeper tends the fire if you leave it alone. It lights softwood from the embers, carries the fire on hardwood, and adds softwood now and then for a livelier flame. You can change how it works: Long burn, With accents, Lively or Softwood. A hardwood-heavy mix burns longer.
Or use your hands.
- Tap a woodpile to add a log, or drag one from the pile and let go where you want it.
- Press and hold the center of the hearth to light kindling.
- Swipe in from outside the hearth to cover the fire with ash.
- Swipe out from the hearth to rake the ash away.
- Swipe side to side to fan the fire.
- Press and hold a burning log to read its species, moisture, surface temperature and how much of it has burned.
Heat view shows the simulated temperature of the hearth in black and white, including what lies beneath the ash.
The fire follows real time. When you reopen the app, its state is updated for the time that has passed. New wood arrives every 24 hours. When the wood runs out, the fire settles into embers and goes out.
There is nothing to unlock and no score. There is a fire, and what you do with it.
- A fire simulated on your device: heat, air, wood, char, ash
- Sound generated from the same simulation
- Follows real time, updated for the time you were away
- Heat view and log readings
- Portrait or landscape, iPhone or iPad
- No network connection or sign-up needed. No ads, no purchases, no data collected
A work by senneroflove. Published by Nodera LLC.
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What's New in Hotabi
0.0.1
November 8, 2026



