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Free Sandbox Browser Games

Play free sandbox browser games on AIGameShare. Browse focused HTML5 picks, open a game instantly, and find something new to play.

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10 games in this list

This page groups related AIGameShare games so players can find a focused set without digging through the full catalog. Each card links to a playable game page with controls, device support, related games, and leaderboard data.

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Game list

Tidewell

A cozy true-3D aquarium you build, tend and just sit and watch. Stock a living tank with procedural fish, jellyfish, crabs and shrimp; keep the water sweet; decorate; draw paying visitors; breed rare colour morphs; fill your illustrated journal; and frame a photo of your tank to share. Calm and forgiving — deaths are impossible and offline time is a gift. Cloud-saved progress, bilingual EN/中文, mobile-first. Long-press a fish to name it; tap Watch for a pure ambient view.

232 plays / 8h 41m

BOXEL

Your own blocky island, saved in the cloud. A full single-player voxel survival sandbox in the browser: chop trees, mine coal, iron and gems, craft four tool tiers, and build torch-lit shelters before night falls — Huskers and Lobbers hunt in the dark, and glowing Gloops lurk in the caves. Sleep in a bed to skip the night, tame days into a survival streak for the leaderboard, or switch to Creative and just build with infinite blocks and flight. Procedurally generated 192×192 gouache-painted islands with forests, deserts, snow peaks and cave systems; every block you change is delta-saved to the cloud so your world is waiting when you come back. Touch joystick + look controls on mobile, WASD + mouse on desktop.

87 plays / 2h 4m

ALKAHEST

ALKAHEST — a falling-sand alchemy roguelike where every pixel of the world is simulated. Sand collapses, water floods, oil burns, acid eats through rock, lava quenches into stone, and gunpowder seams chain-detonate — nothing is scripted, it all emerges from the material simulation. You are an alchemist descending a living mineshaft with twin-stick sorcery: one thumb moves and levitates, the other pours alchemy into the earth. Dig with EXCAVATE blasts, torch oil lakes with SPARK, flood fires with AQUA, dissolve tunnels with VITRIOL, and crack the deep rock with powder KEGs. Mine glittering gold dust on the way down through three biomes — Amber Caves, the flooded depths, and Powder Hell — past hopping gnawers, burning wick-moths and coal imps that explode when they die. Reach the MOTHERLODE at the bottom of the world and claim the heart of the mountain. Die and the mine keeps your bones. Gold is the leaderboard. EN/中文.

21 plays / 38m

MiniTown

Draw tiny blocks of homes, shops, and workplaces, then watch a living town build itself around them. Roads wrap each shared block automatically; buildings rise through visible construction stages; named residents find homes, jobs, favorite shops, routines, walking routes, and little cars. Explore freely, inspect any building or neighbor, and watch cool evenings fill with warm windows and streetlights. A pressure-free low-poly city simulation built for observation, not spreadsheets.

15 plays / 20m