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Explore a haunted iron castle.

LANTHORNE: Frames of the Long Eclipse. A game you play in your browser or on your phone.

Play it free

Free. No sign-up. Works on your phone.

Newv1.1 is out. Play on your phone. 7 bosses repainted.
Real gameplay · 21 boss fights
Kael, the hero of LANTHORNE, in pixel art
Featured Out now Finished
Game
Plays in your browser or on your phone

LANTHORNE: Frames of the Long Eclipse

A game you play in your browser or on your phone. Explore a haunted iron castle, fight bosses, and take the powers of the bosses you beat.

When the long eclipse comes, an iron castle rises from the sea. Kael, a courier, goes in. He carries Ark, a living relic.

All the art, music and story are new.

Play it free See the guide
  • 259rooms on one map
  • 21boss fights
  • 11forms for Kael
  • 75kinds of monsters
  • 22original songs
  • 6endings
  • 12comic cutscenes
  • 44boss intros
  • 155pages in the guide
What’s new in v1.1Nov 2026
  • New art of the Eclipse King, close up

    Bosses repainted

    Seven bosses have new paint.

  • The touch buttons on a phone screen

    Play on your phone

    Touch buttons show up on your screen.

  • Kael’s new look

    Every form has a sharper look.

  • A new boss room with gears, pipes and lamps in layers

    Every room has depth

    Rooms now have layers, so they feel deep.

Free1 thing

Free to play in your browser or on your phone.

  1. A painting from LANTHORNE: Kael kneels in dark water under a ring of glowing stained glass and a black eclipse. Kael in pixel art
    Out now

    Play LANTHORNE free

    In your browser or on your phone.

    Play it free

    New free stuff goes to the list first.

    Play on your phone

    1Tap Play it free.

    2Tap Run game.

    3Turn your phone sideways.

    The touch buttons screen in LANTHORNE: a joystick on the left, and Jump, Attack, Dash, Echo, Back and Guard buttons on the right.
    The touch buttons
Shop4 itemsOut now

The guide, the game, the songs and a print.

  1. 01The LANTHORNE Guide$9.99Digital book, 155 pagesEvery room, every boss, every secret.Buy on itch.io
  2. 02LANTHORNE, download and keep$15.99Digital downloadThe whole game, to keep on your own computer.Buy on itch.io
  3. 03LANTHORNE Soundtrack$4.9922 songsAll 22 songs from the game.Buy on itch.io
  4. 04LANTHORNE Art Prints$10.9912 paintings, print filesThe Spire and all 11 Frames. Print them at home or at a shop.Buy on itch.io
A new painting made for this site. It shows the whole iron castle, from the roofs down to the drowned levels under the sea.
The whole castleStory, New Game+ and End Game259 rooms on one map
The bosses 21 fights
Painting of Gatekeeper Colossus, Guardian of the Gate.

Story

Gatekeeper Colossus

Guardian of the Gate

AreaThe Shore

In the game
Gameplay: Kael faces the Gatekeeper Colossus under a black eclipse
Gatekeeper Colossus fight in v1.1
Gatekeeper Colossus fight before v1.1
Beforev1.1

14 come back mutated in End Game.

Kael's formsKael wins new forms from the bosses. Each is a new way to fight and move.
  • Kael as VanguardVanguardSword, wall-jump, dash. Kael starts here.
  • Kael as BlazeBlazeFire pistols. Breaks blocks.
  • Kael as GaleGaleStorm blades. Air dash.
  • Kael as TideTideIce spear. Swim.
  • Kael as ShadeShadeThrowing stars. Phase.

Plus 6 more forms to find in the game.

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About

Hi, I'm Alex. I make games and tools, with a crew of AI helpers. I share what I make here, and I post what works and what breaks.

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Game for browser or phone

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Explore a haunted iron castle, fight bosses, and take the powers of the bosses you beat.

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