Exciting New Event 'Biological Beast Mutation' in Doomsday: Last Survivors Begins on September 10

New Event: Biological Beast Mutation

Starting September 10, 2025, fans of the popular zombie-themed strategy simulation RPG, Doomsday: Last Survivors, are in for an exciting treat with the launch of a brand new event titled Biological Beast Mutation. This event, supervised by renowned figure artist Keiichi Iwakura, promises players an extraordinary experience where they can blend genes to create unique "Biological Beasts." The event will not only introduce new gameplay mechanics but will also award participants with exclusive prizes, including a custom figure, Zombie Hunter - Jayden.

Event Overview: Unleash Your Creativity with 45 Unique Beasts!

During this event, players will have the opportunity to combine "Biological Beast Genes" with various items to synthesize original creatures. A total of 45 unique Biological Beasts will be available for creation. An exciting Pokedex feature will reward players for unlocking specific beasts for the first time, challenging them to complete their collection. Moreover, a ranking system based on the Creation Value obtained through synthesizing will keep the competitive spirit alive, with the top 50 players receiving special prizes.

Event Schedule

- Point Accumulation Period: September 10, 2025 (Wed) 9:00 - September 16, 2025 (Tue) 8:59 (JST)
- Synthesis Period (Ranking Calculation): September 10, 2025 (Wed) 9:00 - September 17, 2025 (Wed) 8:59 (JST)
- Ranking Reward Collection Period: September 17, 2025 (Wed) 9:00 - September 19, 2025 (Fri) 8:59 (JST)

Grand Prize: Exclusive Figures! Don’t Miss Out on Amazing Rewards!

The highlight of this event is undoubtedly the unique Zombie Hunter - Jayden figure, which will be awarded to top ranking participants and those who achieve synthesis milestones. In addition to this stunning figure, players can also win an exclusive merchandise set and fragments of Legendary Heroes, making this event a must-join for all avid players.

Main Rewards include:

- Original Figure: Zombie Hunter - Jayden
- Exclusive Doomsday: Last Survivors merchandise set
- Fragments of Legendary Heroes
- Numerous other luxurious in-game items

How to Participate in the Event

During the event, players can earn Synthesis Points by logging in, completing daily tasks, and sharing initially. Furthermore, points can be gained by purchasing specific packs using in-game currency, Gold. Players are encouraged to gather these points to experiment with synthesizing the Biological Beasts.

How to Gain Synthesis Points

- Access the event page daily: 10 points
- Achieve 80 AP in Daily Tasks: 10 points
- Synthesize Biological Beasts and share for the first time daily: 10 points
- Purchase specific packs using Gold

For detailed rules, please refer to the in-game event page.

About Doomsday: Last Survivors

- Title: Doomsday: Last Survivors
- Genre: Zombie-themed Strategy Simulation RPG
- Price: Free to play (In-app purchases available)
- Official X Account: Doomsday: Last Survivors Japan
- Supported OS: iOS/Android/Amazon/Steam
- Download Link: Download Here

About IGG

Founded in 2006, IGG is a global company specializing in the development and publishing of mobile online games. Headquartered in Singapore, IGG operates branches in the United States, China, Canada, Japan, South Korea, Thailand, the Philippines, Indonesia, Brazil, Turkey, Italy, and Spain. The company is listed on the Hong Kong Stock Exchange (HongKong Stock: 0799), providing over 200 titles to players in more than 200 countries, including popular titles like Lord Mobile, Doomsday: Last Survivors, Viking Rise, Princess of Time, Mythic Heroes, and Castle Clash.