That Time I Got Reincarnated as a Slime: Isekai Memories

That Time I Got Reincarnated as a Slime: ISEKAI Memories (転生したらスライムだった件：魔王と竜の建国譚) is a 3D battle RPG. This game is developed by BANDAI NAMCO Entertainment Inc., WFS. The game features an opening theme song titled "Phantom Lights" performed by Takuma Terashima and animated Eight Bit. This game is free and available on App Store & Google Play.

The official tweet for ISEKAI Memories tweeted that the game has reached a more than 500 thousand pre-registered downloads. On October 18, 2021, the game has officially reach 600 thousand pre-registered downloads.

Story
The main story follows that of the anime.

Aside from that, there are original stories made specifically for the game under the supervision of the original author, Fuse.

Gameplay
The game's main gameplay comes in 5 parts.

Establishing Tempest
Players are able to build their own version of Tempest using the game's Nation-Building System, building villages into towns and towns into cities as you progress the story. Players can interact with other characters in towns as well.

Battles
The game recreates the characters of the series in 3D graphics. characters can pull off various skills and finishing moves from the original series.

Predator Quests
In special Predator quests, players will be able to use their Predation skill to devour enemies unlike in standard quests, allowing players to acquire and improve their characters' skills!

Player Support
Great Sage, who aids the Rimuru in the original story, acts as the main method of player support, helping the player along their quest.

Interact
The game also includes a feature allowing players to interact with other characters in voiced conversations, give them gifts such as food and make friends with them in-game.

Characters
Confirmed characters that will be featured in the game include:
 * Rimuru
 * Great Sage
 * Ranga
 * Gobta
 * Shion
 * Shuna
 * Benimaru
 * Gabiru
 * Milim
 * Souei
 * Veldora
 * Geld
 * Gabiru

Original Characters
There will be two original characters called "Shinsha" and "Izis". These two characters were created by Fuse.

Shinsha
""Hi there! I'm Rimuru Tempest's daughter, Shinsha!""

Rimuru's daughter (?)

A mysterious girl named Shinsha appears, claiming to be Rimuru's daughter.

Just like rimuru, she also possesses Great sage and Predation, allowing her to acquire abilities from other monsters.

Izis
""I am the witch of the mirror...Izis. Nice to meet you.""

The alluring witch of the mirror. She stalks Rimuru as her prey, and will do whatever it takes to fulfill her utmost desire.