DMM GAMES' tower defense RPG Shiro Project:RE launched its 10th anniversary campaign on March 24, 2026, following scheduled maintenance. The campaign brings new limited Variant castle girls, free packs, login bonuses, and a variety of commemorative sets.
New Castle Girls for the 10th Anniversary
Three new [Variant] castle girls have been added to the limited-time Recruitment Ritual:
★7 [Mukyou] Edo Castle (CV: Kana Hanazawa)
![★7 [Mukyou] Edo Castle](https://assets.hldycdn.com/cdn-cgi/image/format=webp,width=600,quality=75/a1e936cf-35d1-4608-847e-ca53e2ef495b.jpeg)
★7 [Sanka] Jurakudai (CV: Yui Horie)
![★7 [Sanka] Jurakudai](https://assets.hldycdn.com/cdn-cgi/image/format=webp,width=600,quality=75/c7ce128b-bc37-4dac-a81e-8fa77802d6ff.jpeg)
★7 [Kyuuyou] Shuri Castle (CV: Yuko Gibu)
![★7 [Kyuuyou] Shuri Castle](https://assets.hldycdn.com/cdn-cgi/image/format=webp,width=600,quality=75/8d2a79cb-31c6-4ca4-907e-73ed166ebec8.jpeg)
The ongoing event "Tenka Ryoran: Fusui Iden no Shiro-musume" also features a new castle girl who can be obtained through event gameplay:
★7 Hiraizumikan (CV: Yuki Kuwahara)
Anniversary Campaigns and Special Packs
Free Pack: Receive 10 ★7 Castle Girls
A "10th Anniversary Thank You Free Pack" is available in the in-game shop. It includes one [Resplendent] castle girl, one Underworld attribute castle girl, one seasonal castle girl, and seven additional ★7 castle girls.
Login Bonus: Up to 100 Spirit Gems and Five Ten-Pull Tickets
A special login bonus campaign is running during the anniversary period, offering up to 100 spirit gems, 5 ten-pull recruitment tickets, and premium enhancement materials. On the first login day, players receive a recruitment talisman to choose one ★7 castle girl.
Community Spirit Gem Reward Campaign
Throughout the campaign period, spirit gems will be distributed based on the total spiritual power consumed by all players combined. A maximum of 46 spirit gems can be earned through this community-wide reward.
10th Anniversary Sets: [Pine], [Bamboo], and [Plum]
Three limited-time anniversary sets are on sale, each offering a ten-pull gacha restricted to Variant castle girls of ★6 rarity and above. The [Pine] set guarantees a ★7 [Variant] castle girl from the ten-pull and includes a "Seven-Star Recruitment Talisman (10th Anniversary Pine)" that allows players to choose any [Variant] castle girl.
Fictional Castle Pack Featuring New ★7 "Kunlun"
The "10th Anniversary Fictional Castle Selection Pack" includes a recruitment talisman exchangeable for one fictional-castle castle girl — including the newly introduced ★7 Kunlun — along with a ten-pull recruitment ticket guaranteeing a ★7 castle girl.
Note: Kunlun is available exclusively through this pack as an early-access castle girl and will not appear through standard Construction or Recruitment Ritual at launch. Plans to add her to those methods are in progress.
★7 Kunlun (CV: Sayaka Ohara)
Additional limited-time packs are also available, including one that lets players select past seasonal costume castle girls and another that comes with premium enhancement items as bonus rewards.
Special 10th Anniversary Promotional Video
A commemorative promotional video celebrating the 10th anniversary has been released.
