COSM-GAME SLIME-ISEKAI Memories：TenSura Promotion Codes for September 2026
SLIME-ISEKAI Memories：TenSura Promotion Codes can provide Magicrystals, Recruit Tickets, and other in-game rewards. No Promotion Codes are confirmed active as of September 3, 2026. New official codes will be added as they become available.
Codes summary
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SLIME-ISEKAI Memories：TenSura Active Codes
0 working codesNo public Promotion Codes are confirmed active as of September 3, 2026. The official Bandai Namco Entertainment Web Store still supports Promotion Codes, so future campaign codes can be redeemed when Bandai Namco issues them.
Expired Codes
13 archivedPast codes have provided Magicrystals, Recruit Tickets, Gold Coins, Grindstones, Awakening Flames, Potions, promotional facilities, and Scarlet Bond rewards. The April Fool's 2023 set ended with its event, while the two older Scarlet Bond movie codes later stopped redeeming.
| Code | Rewards | Region | Released | Expired | Info |
|---|---|---|---|---|---|
1,000 Gold Coins | Unknown | Mar 31, 2023 | Apr 8, 2023 | ||
1,000 Gold Coins | Unknown | Mar 31, 2023 | Apr 8, 2023 | ||
1,000 Gold Coins | Unknown | Mar 31, 2023 | Apr 8, 2023 | ||
1,000 Gold Coins | Unknown | Mar 31, 2023 | Apr 8, 2023 | ||
1,000 Gold Coins | Unknown | Mar 31, 2023 | Apr 8, 2023 | ||
10 Small Grindstones + 10 Large Grindstones + 10 Giant Grindstones | Unknown | Mar 31, 2023 | Apr 8, 2023 | ||
10 Healing Potions + 3 Vitality Healing Potions | Unknown | Mar 31, 2023 | Apr 8, 2023 | ||
1 April Fool's Special Recruit Ticket | Unknown | Mar 31, 2023 | Apr 8, 2023 | ||
30 Magicrystals | Unknown | Mar 31, 2023 | Apr 8, 2023 | ||
5 Faint Awakening Flames + 2 Tiny Awakening Flames + 1 Large Awakening Flame | Unknown | Mar 31, 2023 | Apr 8, 2023 | ||
1 Face-in-Hole Board facility | Unknown | Mar 31, 2023 | Apr 8, 2023 | ||
1 Replica Bonus Manga Vol. 1 | Unknown | — | Unknown | ||
1 Replica Bonus Card Vol. 2 | Unknown | — | Unknown |
Redemption Guide
1 platformCurrent Promotion Codes use the Bandai Namco Entertainment Web Store. Confirm that the Bandai Namco ID you use is linked to the intended game account before submitting a code.
Login/New Registration and sign in with the Bandai Namco ID linked to your game account.Promo code field and complete the redemption.Code Rules & Troubleshooting
The most important check is your Bandai Namco ID connection. If the wrong game account is linked or displayed by the Web Store, do not submit the code until the correct active account is shown.
Bandai Namco also warns that characters such as uppercase I, lowercase l, uppercase O, lowercase o, and the number 0 can be difficult to distinguish. Copy the issued code exactly rather than replacing similar-looking characters.
New Code Announcements
Bandai Namco states that Promotion Codes can be distributed through campaigns and events. Check the official ISEKAI Memories website and official social channels when new celebrations, collaborations, livestreams, or promotional campaigns begin.
Trailer, Screenshots & Media
The gallery shows recruitment, Great Sage guidance, story progression, battle systems, nation building, and the official ISEKAI Memories trailer.
SLIME-ISEKAI Memories：TenSura Codes FAQ
6 questionsCommon questions about redeeming SLIME-ISEKAI Memories：TenSura codes.
No. The official event ran from March 31 through April 8, 2023, and the associated code campaign ended with that event. Those rewards are now historical only.
The 2023 April Fool's campaign used an in-game Enter Code menu, but Bandai Namco's current instructions direct promotion-code redemption through the official Web Store. Use the current Web Store method when a new promotion code is issued.
Yes. Bandai Namco states that Promotion Codes may provide discounts on item purchases or grant items usable in the game. The exact benefit depends on the campaign that issued the code.
Yes. Bandai Namco states that Recruit Tickets have expiration dates. Check the applicable ticket before its deadline so the reward is not lost unused.
Yes. Bandai Namco warns that some items may expire if they are not collected from the Gift Box before their deadline. Claim time-limited rewards promptly after redemption.
Magicrystals cannot be transferred when game data moves to a device running a different operating system. Bandai Namco also states that transferring back to the original operating system does not restore the Magicrystals that were lost during the transfer.
Sources
7 officialCode data and redemption details are verified against these official and trusted sources.
