Nicklas Nygren (English Wikipedia)

James Murff (31 July 2009). "Freeware Friday: Within A Deep Forest". bigdownload.com. AOL. Retrieved 3 May 2010. Within a Deep Forest is a freeware classic on par with the big names. Its developer knows exactly what he is doing, and crafted an excellent, incredibly hard platforming game that stirs right to the soul

code.google.com

knyttds on googlecode.com

ctgmusic.com

Capuder, Gaj (2 May 2004). "Interview with Nifflas – CTG Music Community". Ctgmusic.com. Archived from the original on 19 March 2006. Retrieved 26 February 2015.

doi.org

Kellman, Noah (2020). "Advanced Algorithmic Music Systems". The Game Music Handbook. pp. 149–160. doi:10.1093/oso/9780190938680.003.0011. ISBN 978-0-19-093868-0.

gamesetwatch.com

"GameSetWatch FiNCK: Nifflas Reveals Super Mario Bros. 2-inspired Game". Gamesetwatch.com. 26 April 2010. Retrieved 26 February 2015.

gamespot.com

"PC games, news, reviews, videos and cheats". GameSpot. Retrieved 26 February 2015.
"PC games, news, reviews, videos and cheats". GameSpot. Retrieved 26 February 2015.
"PC games, news, reviews, videos and cheats". GameSpot. Retrieved 26 February 2015.

gamespress.com

""Meditative floating platformer Ynglet launches on PC" – Games Press".

gonintendo.com

"The Cave Story interview – we get the full skinny from Nicalis frontman Tyrone Rodriguez, and Pixel himself | GoNintendo – What are YOU waiting for?". GoNintendo. 6 October 2008. Retrieved 26 February 2015.

greywool.com

niffpage.greywool.com

"Index of /files/Music". Niffpage.greywool.com. 5 December 2008. Retrieved 17 August 2013.

ign.com

pc.ign.com

"Nicklas Nygren Announces Release of Saira – IGN". Pc.ign.com. 11 December 2009. Archived from the original on 8 January 2010. Retrieved 26 February 2015.

indiegames.com

"The Weblog Nifflas to Create Knytt Underground for PlayStation, PC". IndieGames.com. 26 July 2012. Archived from the original on 9 February 2015. Retrieved 17 August 2013.
"The Weblog Road to the IGF: Nicalis Duo on Night Game's Serenity". IndieGames.com. 15 March 2009. Archived from the original on 20 April 2010. Retrieved 26 February 2015.

jayisgames.com

"Nifflas Games at Jayisgames". Jayisgames.com. Retrieved 26 February 2015.

lp1.nl

nifflas.lp1.nl

"KS online with OINC – Source Code Avaible [sic]". nifflas.lp1.nl.

lpchip.nl

nifflas.lpchip.nl

"3 screen shots & short game info". Nifflas.lpchip.nl. 12 November 2010. Retrieved 26 February 2015.

mobygames.com

"{gameTitle} for {gamePlatform} ({gameYear})". MobyGames. Archived from the original on 26 February 2015. Retrieved 26 February 2015.
The Official EDGE Computer Game at MobyGames
Avoid the Evil Space Eel at MobyGames
Floating Islands Game at MobyGames

modland.com

ftp.modland.com

Nifflas on modarchive.com

ni2.se

nifflas.ni2.se

"Maintenance Mode". nifflas.ni2.se. Archived from the original on 24 July 2011.
"Nifflas' Games". Nifflas.ni2.se. Retrieved 26 February 2015.

nintendolife.com

Whitehead, Thomas (13 August 2013). "Ripstone Confirms Details for Knytt Underground and Pure Chess on the Wii U eShop". Nintendo Life. Retrieved 28 August 2013.
"Knytt Underground Arrives on the Wii U eShop on 19th December - Wii U eShop News @ Nintendo Life". Nintendolife.com. 6 December 2013. Retrieved 26 February 2015.

oup.com

academic.oup.com

Kellman, Noah (2020). "Advanced Algorithmic Music Systems". The Game Music Handbook. pp. 149–160. doi:10.1093/oso/9780190938680.003.0011. ISBN 978-0-19-093868-0.

playstation.com

blog.us.playstation.com

"Knytt Happens: Knytt Underground Rolls to PS3, PS Vita Today – PlayStation.Blog". Blog.us.playstation.com. 18 December 2012. Retrieved 17 August 2013.

pyra-handheld.com

Can Kyntt be ported? on pyra-handheld.com (9 March 2012)

rodrigoroman.com

Knytt Stories DS on rodrigoroman.com

sites.google.com

Knytt Stories on sites.google.com "Extended Version v1.5.9" (2010)

steampowered.com

store.steampowered.com

"Knytt Underground on Steam". Steampowered.com. Retrieved 27 October 2013.
"NightSky on Steam". Store.steampowered.com. 1 March 2011. Retrieved 17 August 2013.

uurnog.com

"Uurnog". uurnog.com.

web.archive.org

Capuder, Gaj (2 May 2004). "Interview with Nifflas – CTG Music Community". Ctgmusic.com. Archived from the original on 19 March 2006. Retrieved 26 February 2015.
"Knytt Underground Steam Green Light Video". Archived from the original on 20 January 2016. Retrieved 14 June 2014 – via YouTube.
"Maintenance Mode". nifflas.ni2.se. Archived from the original on 24 July 2011.
"{gameTitle} for {gamePlatform} ({gameYear})". MobyGames. Archived from the original on 26 February 2015. Retrieved 26 February 2015.
"Nifflas Profile". acid-play.com. Archived from the original on 30 October 2007.
"The Weblog Nifflas to Create Knytt Underground for PlayStation, PC". IndieGames.com. 26 July 2012. Archived from the original on 9 February 2015. Retrieved 17 August 2013.
"Nicklas Nygren Announces Release of Saira – IGN". Pc.ign.com. 11 December 2009. Archived from the original on 8 January 2010. Retrieved 26 February 2015.
"The Weblog Road to the IGF: Nicalis Duo on Night Game's Serenity". IndieGames.com. 15 March 2009. Archived from the original on 20 April 2010. Retrieved 26 February 2015.

youtube.com

"Knytt Underground Steam Green Light Video". Archived from the original on 20 January 2016. Retrieved 14 June 2014 – via YouTube.