[Doomsday: Last Survivors] Announcement of Great Deal Carrier Billing Campaign

IGG (Headquarters: Singapore, Japan Office: Shinjuku-ku, Tokyo) will hold the "Spring 2026 Carrier Billing Campaign" starting Thursday, April 23, 2026, in collaboration with three major domestic telecommunications carriers, targeting carrier billing users in the zombie strategy simulation RPG "Doomsday: Last Survivors."

[Campaign Overview]

In this campaign, users who enter from the special pages of each carrier during the period and make in-app purchases using carrier billing will receive point rewards or share bonuses.

Event Period: Thursday, April 23, 2026, 0:00 to Sunday, May 31, 23:59

How to Participate: - Enter from the special campaign page of each carrier. - Make an in-app purchase using the specified carrier billing during the period.

[Campaign Details and Entry URLs for Each Carrier]

This measure is implemented in collaboration with three major domestic telecommunications carriers (NTT Docomo, au, SoftBank). The dedicated URLs and eligible brands for each company are as follows:

NTT Docomo: https://g.igg.com/debMNx au / UQ mobile / povo: https://kddi-l.jp/Vje SoftBank / Y!mobile / LINEMO: https://stn.mb.softbank.jp/46j2F

[Notes]

* Application conditions, reward contents, and timing of granting vary by carrier. Please be sure to check the details on each special page.

[Overview of 'Doomsday: Last Survivors'] - Title: Doomsday: Last Survivors - Genre: Zombie Strategy Simulation RPG - Price: Free-to-play (with in-app purchases) - Official X Account: https://x.com/dls_japan - Download here: https://g.igg.com/xftIWW

[About IGG]

IGG is a global developer and publisher of mobile online games established in 2006. In addition to its Singapore headquarters, it currently has branches in the US, China, Canada, Japan, Korea, Thailand, the Philippines, Indonesia, Brazil, Turkey, Italy, and Spain, and is listed on the Hong Kong Stock Exchange (Hong Kong Stock: 0799). It provides mobile games, browser games, and client-based online games in 23 languages to players in over 200 countries worldwide. Popular titles include 'Lords Mobile', 'Doomsday: Last Survivors', 'Viking Rise', 'Time Princess', 'Mythic Heroes', 'Mobile Royale', 'Castle Clash', and 'Fate War'.