AI, through a human lens
Town Beach in the afternoon, in the game: a pixel-art sandcastle with red flags and the sun low over the sea.

TidewashBe the sea. Wash castles away.

Hold to gather a wave, let go, and wash a sandcastle back into the ocean, one grain at a time. A quiet, tactile pixel-art game for iPhone.

Now on the App StoreHow it plays

For iPhone · iOS 17 or later · English, Japanese, Chinese (Simplified and Traditional) and Korean

  • No ads
  • No in-app purchases
  • No account
  • Plays offline
  • Data not collected

Trailer

Be the sea. Wash castles away.

Hold. Aim. Let go.

Every castle on the beach was always going to return to the sea. Tidewash is a quiet game about helping it get there.

  1. Gather a wave

    Hold anywhere on the beach to charge. Move your finger up or down to aim, then let go to send the wave.

  2. Let go on the glow

    Let go the moment the ring glows for a Perfect Wave. Keep a steady rhythm to build a Wave Set, and your waves grow stronger.

  3. Grow the sea

    Collect the shells your waves turn up and spend them on upgrades. Raise your waves, gather faster, and bring in the tide.

Five beaches, afternoon into night.

Town Beach, Tidepool Cove, Moonlight Beach, Storm Point and The Cliffs, from afternoon into night.

  1. Town Beach, Afternoon, in the game.

    Afternoon

    Town Beach

    Hold to charge a wave

  2. Tidepool Cove, Evening, in the game.

    Evening

    Tidepool Cove

    Perfect Waves and Wave Sets

  3. Moonlight Beach, Night, in the game.

    Night

    Moonlight Beach

    The real moon and spring tides

    Moonlight Beach shows tonight’s real moon, and spring tides bring the water higher.

  4. Storm Point, Overcast, in the game.

    Overcast

    Storm Point

    Call the storm

  5. The Cliffs, Sunset, in the game.

    Sunset

    The Cliffs

    Keep holding for the Great Wave

Wash all five flat and the sea has more to show you: five far shores, each with sand that behaves in its own way.

Glowtide on a new-moon night, in the game: a dark sandcastle, and the sand glowing where the waves touch.

Past the five beaches

Glowtide

New Moon

The sand glows where the waves touch.

Calm Sea, seen from above: hello written in the wet sand, and a small wave coming in to smooth it away.
Calm Sea, in the game

Or just write in the sand.

Calm Sea: no numbers, a scenery of your choice, and sand to write in while small waves smooth it away.

Every grain moves.

The sand is simulated grain by grain: wet sand darkens and slumps, towers lean, tremble and fall, and the backwash carries it all out to deep water.

Bare Hands: one start for all.

No upgrades, no shop, the same start for everyone: just your waves and the clock.

Opens once the five beaches are done, with Game Center leaderboards and achievements.

Bare Hands at Glowtide, in the game: the timer at the top, no upgrade tray, only the waves.

Also on the shore.

A message in a bottle, in the game: No. 1, “We built it tall by noon. By evening it was beach again.”
Message in a Bottle, in the game

Your game stays on your iPhone.

No account. No ads. No tracking. On the App Store, Tidewash’s privacy label is “Data Not Collected.”

Progress is saved only on your device. Game Center is optional and run by Apple. Saving a beach photo asks only for permission to add it to your library.

Read the privacy policy

Turn the sound up a little.

…and let the tide do the rest.

Now on the App Store

For iPhone. Made with care by Shengxing Yang.