Sandcastle

What it is

Sandcastle is a simulation game by itch.io creator Milchinien, playable in the browser. You pile and pack sand on the beach and dig trenches to redirect the water so your castle makes it through three incoming tides. The creator says Claude Opus 5.5 was used to write the code; whether AI was used for anything else isn't stated. On phones you build with one finger and zoom with two.

Who it's for: Players who want a relaxed building game with a small physics challenge.

Before you start: It runs in the browser, and the creator says it supports phones in portrait mode. The screenshots show an English interface; a full language list isn't given. The game is free, and the screenshots show a shop menu; whether it sells anything isn't stated. Whether scores are recorded online isn't stated. No official age rating is given.

Based on the game page's public information. Not tested by AI Inspiration World.