Sky: Children of the Light arrived on iOS on July 18, 2019, and seven years later it is still doing the thing almost no other online game has managed: making strangers useful to each other without making them hostile. Thatgamecompany built a social adventure around a fallen kingdom, a cape, and a flame you carry. It has since spread to Android, Nintendo Switch, PlayStation 4, and PC. The version most players meet first is still the smallest one — a phone, a thumb, a stranger who stops to open a door for you.
Trailer, via thatgamecompany.
A Fallen Kingdom and Seven Realms
The premise is plain. Players explore a once-prosperous kingdom using a cape that grants flight. The world holds seven unique realms, each with its own theme, each standing in for a stage of life, and each packed with areas to wander. Home is a small island that serves as the hub and the place you land when the game opens. Aviary Village sits alongside it, a settlement with shops and a house the player can customize.
That structure matters more than it sounds. Seven realms with distinct themes give the game a shape that reads as biography rather than geography. You start somewhere bright, you end somewhere harder, and the game never announces the metaphor. It just lets the level design carry it.
Spirits, Winged Light, and the Cape
Throughout the world, players meet “spirits” who unlock items in exchange for in-game currency. They also find “children of light,” which hand over “winged light.” Collect enough winged light and your cape level rises, raising the cape’s maximum energy and letting you fly farther.
That is the whole progression spine, and it is a generous one. Flight is not gated behind combat. It is gated behind looking around. The reward for exploring is the ability to explore more, faster and higher, which is a loop that respects the player’s time instead of taxing it.
Candles, Hearts, and the Cost of Looking Good
Sky runs on two currencies, and they do different jobs. “Candles” are the main currency. You get them by collecting pieces of light — called wax in-game — and forging them, or by buying them with real money. You spend candles on spirits and friends in return for items and abilities. “Hearts” are the social currency. You receive them when other players send gifts, or you can buy them straight from spirits using candles. Hearts mostly go toward cosmetic items.
The cosmetic catalog is deep: capes, masks, hairstyles, hats, pants, shoes, musical instruments, expressions, and more. Some items cost in-game currency. Some can be bought with real money. A few are locked to specific players — the original beta cape, for instance, belongs only to those who played the beta before the full release.
| Currency | How you get it | What it buys |
|---|---|---|
| Candles | Collecting and forging wax, or paying real money | Items and abilities from spirits and friends |
| Hearts | Gifts from other players, or bought from spirits with candles | Cosmetic items |
| Winged light | Found from “children of light” in the world | Higher cape level, more energy, longer flights |
That table is the game’s economy in miniature, and it is worth noting what it does not contain. There is no power you can buy that another player cannot earn. The things money accelerates are the things that only matter to other people looking at you.
Flight Is the Whole Argument
The cape is the best idea in Sky: Children of the Light. Everything else — the spirits, the candles, the seven realms — is scaffolding around the act of lifting off and staying up. Energy drains as you fly. You land, you recharge, you go again. Winged light raises the ceiling on how long you can stay airborne.
That constraint is what makes the world legible. You learn the terrain because you have to. You learn where the light is because running out mid-flight drops you somewhere you did not plan to be. The game turns navigation into a resource problem and then hands you a beautiful sky to solve it in.
Strangers Who Are Actually Useful
The social design is where Sky separates itself from the rest of the online field. Players meet and befriend one another. As a friendship grows, new abilities unlock — chat, sending gifts, and more. None of it is required. All of it is available.
This is the rare multiplayer game where another person showing up is not a threat. There is no kill feed. There is no loot to fight over. The most valuable thing a stranger can do is open a door you cannot open alone, and the game makes that gesture the center of the experience rather than a side activity.
Seven realms, one hub, and a village with shops. The map is not enormous. What makes it feel large is that you keep running into people.
The Slow Roll Across Platforms
Sky: Children of the Light started on iOS, moved to Android on April 7, 2020, reached Nintendo Switch on June 29, 2021, landed on PlayStation 4 on December 6, 2022, and hit Microsoft Windows through Steam Early Access on April 10, 2024. A separate version for Mainland China, co-developed and published by NetEase, runs on Android and iOS.
That is a slow, deliberate rollout across seven years, and it tracks the game’s actual audience. This is not a title that needed a console generation to sell itself. It needed a phone in a pocket and a few minutes of quiet. The Switch and PlayStation releases matter mostly because they let the same account meet people on a couch.
Where the Generosity Thins Out
The economy is the soft spot. Candles can be bought with real money, and the cosmetic catalog is large enough that the pressure to spend is real even when it is never aggressive. Hearts depend on other people sending you gifts, which means the social currency is only as generous as your friend list.
Some cosmetics are restricted to specific players — the beta cape being the clearest example. Exclusivity like that is a small thing, but it cuts against a game whose entire thesis is that light is meant to be shared.
The seven realms also vary in how well their themes land. A stage-of-life concept is elegant on paper and uneven in practice, and the game does not always give you enough to do in the quieter stretches beyond fly, land, and look.
None of that breaks the thing. It just marks where the seams are.
Sky: Children of the Light earns its 8.2 out of 10. The cape-and-flight system is a genuine design achievement, the seven realms give the world a shape that reads as a life rather than a map, and the social mechanics solve a problem most online games never even try to solve: how to make other players a gift instead of a hazard. The candle economy and the friend-dependent heart system are the places where the generosity thins out, and the exclusivity of items like the beta cape sits awkwardly against the game’s own message.
What matters most is that Sky: Children of the Light has aged well. It launched on iOS in 2019 and kept arriving on new platforms through 2024 without losing what made it work — a kingdom in ruins, a cape that lifts you, and strangers who stop to help. That is the part worth watching, and it is the part that has held.
Get the Notebook.
The day's best stories and every fresh verdict, in plain English, in your inbox by seven. One email a day, no more.
