Upcoming gacha game MementoMori is now open for pre-registration, also known as pre-orders for iOS users on the Apple App Store. Pre-registrations for the game on the Google Play Store will open for Android users at a later date.

Previously, the game was accepting pre-registrations by means of following the game on its social media accounts, a practice common for Japanese gacha games. Since then, the game has secured over 300,000 pre-registrations, more than double its original target of 150,000. New pre-registration rewards and milestones have been added to reflect the increased amount of support players have for MementoMori, and are as such:

• 10,000: 100 Total Diamonds
• 30,000: 300 Total Diamonds
• 50,000: 500 Total Diamonds
• 100,000: 1000 Total Diamonds
• 150,000: 1500 Total Diamonds, SR [ The Witch of Mourning Flowers ] Natasha
• 200,000: 2000 Total Diamonds
• 300,000: 3000 Total Diamonds
• 400,000: 4000 Total Diamonds

According to the game’s App Store description, MementoMori is an idle game. Here are its features:

• Play utilizing both easy-to-use full auto battles and high-level strategy!
• Behold stunning action-packed battles animated using Live2D!
• Harness the “Idle System” to gradually get stronger as the girls fight even while you’re away!
• Unlock tons of content as you advance the story!
• Discover infinite strategic possibilities by combining your wit with the girls’ magical powers!
• Enhance gear to precisely influence how the girls grow stronger!
• Communicate with your friends as you form the most powerful guild in the land!

To stay updated, follow MementoMori on Twitter.