Ko Ima ni Ari

Yes. Ko Ima ni Ari is free to play on Steam, so there is nothing to buy to start playing.

The minimum requirements for Ko Ima ni Ari are: Windows 10, Intel N4100, 2 GB RAM, 150 MB storage. It also runs on macOS. The recommended specs are in the System requirements section.

No. Ko Ima ni Ari is a single-player game.

Yes. Ko Ima ni Ari is the full base game. You need nothing else to play it.