Since Apple confrontation with Epic Video games kicked into excessive gear, the sport maker has seen its Apple-based customers plunge, Epic mentioned in a authorized submitting on Friday.

Every day energetic customers of Epic’s blockbuster battle-royale recreation Fortnite on Apple’s iOS working system have declined by greater than 60% because the tech large eliminated the sport from the Apple App Store, Epic mentioned within the submitting. Greater than 60% of Fortnite customers on iOS entry Fortnite solely on Apple gadgets, the video-game firm mentioned.

“The hurt to those customers is significant,” the submitting mentioned. Epic additionally warned that Apple’s actions might trigger its enterprise “irreparable hurt.”

The difficulty erupted on Aug. 13, when Epic started providing clients a approach to purchase gadgets straight by way of its Fortnite app, eliminating charges that go to Apple. The identical day, Apple removed Fortnite from its retailer for violating its retailer pointers. Epic then sued Apple, alleging monopolistic habits.

Since Aug. 27, when Epic issued an replace to the sport that wasn’t out there for Apple gadgets, “all iOS Fortnite customers turned stranded, unable to play the sport with their family and friends who up to date the sport on non-iOS platforms,” the corporate mentioned.

Greater than 116 million registered customers have accessed Fortnite by way of iOS — greater than by way of every other platform, Epic mentioned within the submitting.

A decide has set a Sept. 28 listening to on Epic’s request for an injunction. Within the Friday submitting, Epic requested the judged to dam Apple from eradicating Fortnite from the app retailer in what it known as “retaliation” for providing in-app purchases by way of its personal market.

Extra must-read tech coverage from Fortune:

RELATED ARTICLESMORE FROM AUTHOR