Virtual pet (English Wikipedia)

J. D. Biersdorfer (24 February 2000). "Screen Mates for Fun or Profit". The New York Times. Archived from the original on 4 June 2022. Retrieved 18 February 2017.

safaribooksonline.com (Global: low place; English: low place)

Rollings, Andrew; Ernest Adams (2003). Andrew Rollings and Ernest Adams on Game Design. New Riders Publishing. pp. 477–487. ISBN 978-1-59273-001-8. Archived from the original on 2 May 2020. Retrieved 6 December 2011.

"Remember Tamagotchi? The 1990s' cult toys are back". The Straits Times. 12 April 2017. Archived from the original on 12 April 2017. Retrieved 1 March 2021.

Rollings, Andrew; Ernest Adams (2003). Andrew Rollings and Ernest Adams on Game Design. New Riders Publishing. pp. 477–487. ISBN 978-1-59273-001-8. Archived from the original on 2 May 2020. Retrieved 6 December 2011.
"From Tamagotchi to "Nintendogs": Why people like digital pets". Corinspired. 14 June 2021. Archived from the original on 10 November 2021. Retrieved 10 November 2021.
"Are virtual pets video games?". boardgamestips.com. Archived from the original on 9 January 2022. Retrieved 9 January 2022.
J. D. Biersdorfer (24 February 2000). "Screen Mates for Fun or Profit". The New York Times. Archived from the original on 4 June 2022. Retrieved 18 February 2017.
"Tamagotchi reborn as an adult". 4 February 2004. Archived from the original on 21 March 2022. Retrieved 1 March 2021.
"Remember Tamagotchi? The 1990s' cult toys are back". The Straits Times. 12 April 2017. Archived from the original on 12 April 2017. Retrieved 1 March 2021.
"Tamagotchi: Love It, Feed It, Mourn It". archive.nytimes.com. Archived from the original on 28 November 2022. Retrieved 28 November 2022.
MAD Cover Site Archived 16 April 2023 at the Wayback Machine, MAD #362 October 1997.
Katie Hafner, What Do You Mean, `It's Just Like a Real Dog'? Archived 5 February 2023 at the Wayback Machine, The New York Times, May 25, 2000
Frédéric Kaplan Free creatures : The role of uselessness in the design of artificial pets, 2000 Archived 16 February 2012 at the Wayback Machine