COSM-GAME SLIME-ISEKAI Memories：TenSura
SLIME-ISEKAI Memories：TenSura is a free-to-play nation-building 3D battle RPG developed by Wright Flyer Studios and published by Bandai Namco Entertainment Inc. Players take on the perspective of Rimuru Tempest, reliving the story of the That Time I Got Reincarnated as a Slime anime through fully voiced cutscenes alongside original chapters supervised by the light novel's author, Fuse. Progression centers on clearing main and original story chapters while recruiting and strengthening characters through the game's gacha based Troop Recruit system. Its defining gameplay centers on the Nation-Building System, which lets players construct and expand the monster nation of Tempest between 3D command-based battles.
Game summary
On this page
Latest update
The current live version is 4.0.53. The ongoing content is Troop Recruit: Tricolor Trouble Part 3, which added Testarossa, the Bewitching White Demon, to the roster following the earlier addition of Ultima, the Venomous Violet Demon, as part of the same three-part story event featuring demon characters from the anime.
Release date and status
SLIME-ISEKAI Memories：TenSura is Released. The game first launched in Japan on March 27, 2021, and the worldwide English, Korean, and Traditional Chinese version began service on October 28, 2021 (UTC), several months after the original Japanese debut.
| Global release | Oct 28, 2021 |
| Original launch platforms | |
| Global status | Released |
| Pricing model | Free-to-play·In-app purchases |
| Availability | App StoreGoogle PlayGoogle Play Games (PC) |
Platforms and availability
The game is available on iOS / iPadOS and Android, and can also be played on PC through Google Play Games Beta. The developer notes that the game is incompatible with some devices.
Gameplay and setting
Players guide Rimuru Tempest as he relives Season 1 of the anime through fully voiced cutscenes, alongside original stories supervised by series author Fuse. The Nation-Building System lets players construct and expand the nation of Tempest, placing homes, workshops, and other facilities while interacting with resident characters in town.
Battles use a 3D command-based system built around selecting character cards, with skill and Secret Skill animations drawn from the source material. The Predator system lets players use Predation-based quests to acquire and improve character skills, and an ever-present Great Sage feature offers in-game guidance.
Trailer, screenshots, and media
The media below shows the game's official key art, its homepage trailer, original story artwork, and character art illustrating the Nation-Building, battle, and Predator quest systems.
Developer and publisher
SLIME-ISEKAI Memories：TenSura is developed by Wright Flyer Studios and published worldwide by Bandai Namco Entertainment Inc.
| Developer | Wright Flyer Studios |
| Publisher | Bandai Namco Entertainment Inc. |
| Official website | SLIME-ISEKAI Memories：TenSura |
Download and availability
The game can be downloaded free through the App Store on iOS and iPadOS, or through Google Play on Android, and can also be accessed on PC via Google Play Games Beta. Premium Magicrystal currency can additionally be purchased through the official Bandai Namco Entertainment Web Store.
System / Device Requirements
SLIME-ISEKAI Memories：TenSura has an official minimum OS requirement on iOS and iPadOS. The Android requirement below reflects a practical baseline drawn from independently maintained app listings rather than an official specification sheet.
SLIME-ISEKAI Memories：TenSura supports PC through Google Play Games Beta, but detailed device requirements are not available yet.
| iOS / iPadOS specification | Requirement |
|---|---|
| OS | iOS 15.0 / iPadOS 15.0 or later |
| Storage | 3.6 GB |
- Requirement
- iOS 15.0 / iPadOS 15.0 or later
- Requirement
- 3.6 GB
| Android specification | Practical minimum |
|---|---|
| OS | Android 8.0 or later |
| Storage | Approximately 3.1 GB |