The collectible value of video games is not only those classic hardware and well-packaged cassettes, but also some rare game software. Recently, the famous game collection website Forest of Illusion spent 300,000 yen (about 16,000 yuan) to buy a copy of a DS game called "SMART 2.0" and backed it up to a cassette to save.
How rare is SMART 2.0? It is a McDonald's employee training game on the Nintendo DS, distributed to McDonald's employees across Japan in 2010, and is now almost out of print. By 2020, someone had discovered and shared a matching cartridge for new McDonald's employees online, and since then the game has been auctioned, but was once suspected of being pirated.
Eventually, Forest of Illusion bought a copy of the genuine SMART 2.0 with the help of some donors, and they also made a video, demo game, and a detailed history. In the game, the player simulates playing as a McDonald's fast-food worker, making food for hungry customers and delivering food, mostly in a trained mechanical operation, with no fancy ingredients, not even music.
SMART 2.0 is very gameplay-friendly and not even as significant as some of the PS2 prototype games or demos, but it still has some collectible value, especially its official McDonald's identity.