Runs entirely in the browser: no install, no sign-up, on any phone.
The thinking one: a droplet in a saucepan, where the ENVIRONMENT controls your state — heat up by the fire, turn to steam, slip past the extractor hood, condense on the glass and reach the windowsill. A speedrun against the clock.
Open the game and start right away — no install, no account. On a computer use the mouse or arrow keys, on a phone just tap. Your result is stored on your own device.