Kickstarter https://www.kickstarter.com/projects/372651021/kingdom-rush-rift-in-time
English - Kingdom Rush: Rift in Time was funded on the Crowdfunding Kickstarter (See the campaign) platform on the May 2, 2019, the campaign lasted 23 days. 9,997 people helped funded the game, whose the amount requested was $20,000.00. Thanks to these 9,997 people the game could be funded up to $933,167.01, ~4,665.84%.
Boardgamegeek https://boardgamegeek.com/boardgame/287667/kingdom-rush-rift-time-spider-goddess-expansion
English - Kingdom Rush: Rift in Time – Spider Goddess Expansion contains two new characters, two new bosses, several tiles and decks as well as four new scenarios for "Kingdom Rush: Rift in Time". It also contains cards to make the new enemies compatible with Portal Horde mode.