Bandai Namco announced that That Time I Got Reincarnated as a Slime: ISEKAI Memories will hold a collaboration event with Sword Art Online, Reloaded World, from December 19, 2025 to January 27, 2026.

◤◢◤◢◤◢◤◢◤◢◤◢#SlimeIMxSAO
First collab schedule revealed!
◤◢◤◢◤◢◤◢◤◢◤◢#SlimeIMxSAO collab kicks off tomorrow!
In our first schedule reveal, we're sharing all currently available collab details!⚔

Check the schedule👀 and enjoy the collab to the fullest! pic.twitter.com/klBHI5NKSf

— Slime – ISEKAI Memories (@SlimeIM_en) December 18, 2025

During the event, players can experience a fully voiced original story, and build SAO-related structures like Aincrad and the Log House.

Players can also obtain the following characters:

• Battle Type: Kirito, the Black Swordsman (obtained via Super Isekai Revelry Part 1 recruit)
• Protection Type: Rimuru Tempest, Azure-Winged Fairy (obtained via Super Isekai Revelry Part 1 recruit)
• Asuna (obtained via Super Isekai Revelry Part 2 recruit)
• Sinon (obtained via Super Isekai Revelry Part 2 recruit)
• Masayuki (via Login Bonus)
• Leafa (by completing Bingo Missions)

Check out the teaser trailer below.

That Time I Got Reincarnated as a Slime: ISEKAI Memories is available on Android and iOS, as well as PC via Google Play Games.