Coloring Game 3

Yes. Coloring Game 3 is free to play on Steam, so there is nothing to buy to start playing.

The minimum requirements for Coloring Game 3 are: Windows 7, 1 GB RAM, 212 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.

No. Coloring Game 3 is a single-player game.

Mostly, yes. Valve rates Coloring Game 3 as Playable on the Steam Deck: it runs, but may need some manual setup.

Yes. Coloring Game 3 is the full base game. You need nothing else to play it.