Physion

The Powder Toy is a desktop version of the classic 'falling sand' physics sandbox game, it simulates air pressure and velocity as well as heat!.

Free versatile geoquiz web application. Includes random street view drops, popular landmarks or a flag guessing mode. Single player modes as well as synchronous multiplayer supported!.

Yenka is a new generation of educational modelling tools from Crocodile Clips.

ARTigo is an online game with the aim to supply artworks with tags. The same artwork is simultaneously shown to you and a co-player. The game now consists in describing the artwork accurately with tags.

Dive into a seamless space sandbox exploring planets, moons, stations, and asteroids free from loading screens. Undertake contracts, face enemies, and build bases. Enjoy solo or multiplayer modes, survival features, and immersive combat. Customize gameplay and collaborate on custom servers.

Sandboxels is an in-browser falling sand simulation game, with mechanics such as heat simulation, electricity, density, chemical reactions, fire, explosions, and over 500 unique elements to play with.

Play Dynast.io - 100 player 2D real-time massive multiplayer survival game in your browser! Build, Craft, Fight, Survive!

An alternative to the Java web game "Minecraft Classic" that was listed on the official Minecraft site but taken down in 2016-2017.