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

Day by day lively customers of Epic’s blockbuster battle-royale sport Fortnite on Apple’s iOS working system have declined by greater than 60% for the reason that tech big eliminated the sport from the Apple App Store, Epic stated within the submitting. Greater than 60% of Fortnite customers on iOS entry Fortnite solely on Apple gadgets, the video-game firm stated.

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

The difficulty erupted on Aug. 13, when Epic started providing clients a approach to purchase objects instantly via its Fortnite app, eliminating charges that go to Apple. The identical day, Apple removed Fortnite from its retailer for violating its retailer tips. Epic then sued Apple, alleging monopolistic habits.

Since Aug. 27, when Epic issued an replace to the sport that wasn’t obtainable 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 stated.

Greater than 116 million registered customers have accessed Fortnite via iOS — greater than via some other platform, Epic stated 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 via its personal market.

Extra must-read tech coverage from Fortune: