Developer: Vine
Publisher: Vine

Successful Kickstarter for $14,751 USD on August 31, 2014
https://www.kickstarter.com/projects/vine/cavern-kings/updates

Greenlighted on / around September 4, 2014
https://imgur.com/a/Fuv9Q
https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=295979847

EAG Launch on September 30, 2014
Last Updated on October 22, 2016
http://gtm.steamproxy.vip/gid/103582791436430558/announcements/detail/832430623613634090

http://gtm.steamproxy.vip/app/321830/allnews/

August 9, 2015. ryunocore, music composer and handler of PR / marking for the game related how the KickStarter campaign of the title got 100% funded in under 5 days.
https://ryunocore.tumblr.com/post/94284384679/how-cavern-kings-got-100-funded-in-less-than-5

July 5, 2017. Developer makes a pinned thread titled: ""HEY VINE WHY DON'T YOU FINISH THE GAME""
Developer states that they have had to move on to other things in order to stay afloat, that the game has been in development when they have the time and that the game did not bring enough money in in order to sustain them. He states their intention to finish the game and regret about utilizing the Early Access platform and his intention to never do so again.
http://gtm.steamproxy.vip/app/321830/discussions/0/1456202492167882713/

Last developer post on the forum (as of this review) was on July 5, 2017: the post referred above.
http://gtm.steamproxy.vip/app/321830/discussions/0/1456202492167882713/

Developer Steam profile: http://gtm.steamproxy.vip/id/vine2D
News feed poster / Dev Steam profile: http://gtm.steamproxy.vip/id/Ghor
Game facebook page: https://www.facebook.com/cavernkings/
Itchio page for the game: http://vine.itch.io/cavern-kings