Invisible wall (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Invisible wall" in English language version.

Last modified: 00:40:18, 8 August 2026 (UTC)

Ref.Un. Ref.Website

Global rank English rank

3^rd place

low place

115^th place

92^nd place

378^th place

265^th place

books.google.com (Global: 3^rd place; English: 3^rd place)

Thorn, Alan (2009-06-23). Cross Platform Game Development. Jones & Bartlett Publishers. p. 251. ISBN 978-0763782818. Retrieved 2014-11-18.
Levy, Luis; Novak, Jeannie (2009-06-22). Game Development Essentials: Game QA & Testing. Cengage Learning. pp. 84, 85. ISBN 978-1435439474. Retrieved 2014-11-18.
Novak, Jeannie (2013-04-11). The Official GameSalad Guide to Game Development. Cengage Learning. p. 10. ISBN 978-1133605645. Retrieved 2014-11-18.
Rabin, Steven (2013-09-11). Game AI Pro: Collected Wisdom of Game AI Professionals. CRC Press. p. 273. ISBN 978-1466565968. Retrieved 2014-11-18.
Buerkle, Robert (2008). Of Worlds and Avatars: A Playercentric Approach to Videogame Discourse. p. 142. ISBN 978-0549981602. Retrieved 2014-11-18.^{[permanent dead link]}

"Invisible Walls- GameCareerGuide.com". www.gamecareerguide.com. Retrieved 2018-03-04.

Hindes, Daniel (2014-03-16). "Border protection". GameSpot. Retrieved 2014-11-18.