[Grand Campaign Held!] 'Kamen Rider DEFENSE WARRIORS' Celebrates 0.5th Anniversary!

Aiia Co., Ltd. (Representative Director: Tomoko Ishizawa) announces that its smartphone tower defense game 'Kamen Rider DEFENSE WARRIORS' (abbreviation: RaiD) will celebrate its half-anniversary on Tuesday, April 28, 2026.

To commemorate this, various campaigns will be held both in-game and externally.

<Download RaiD here>

●App Store: https://itunes.apple.com/jp/app/id6751485239?mt=8

●Google Play: https://play.google.com/store/apps/details?id=jp.co.aiia.riD

RaiD Half-Anniversary Campaign Held!

[1] Kamen Rider Fes Summon Held! 'Kamen Rider Blade King Form' Debuts

The 'Kamen Rider Fes Summon' will be held from 17:00 on Thursday, April 30. In this summon, the new unit 'Kamen Rider Blade King Form' will make its first appearance, and 'Kamen Rider Kuuga Ultimate Form' and 'Kamen Rider Oma Zi-O (2019 Sougo Tokiwa)' will also be added to the lineup. Furthermore, the appearance rate of ★5 units will be 1.5 times the usual, offering a chance to acquire powerful units.

Event Period: Thursday, April 30, 2026, 17:00 – Wednesday, May 13, 2026, 14:00

[2] Half-Anniversary Commemorative Present & Login Bonus

Starting today, Tuesday, April 28, at 4:00, a half-anniversary commemorative present of '1,500 Crystals' is being distributed. Additionally, a login bonus is currently underway where users can earn up to '35 Kamen Rider Fes Summon Tickets' by logging in for 7 days.

Commemorative Present

Distribution Period: Tuesday, April 28, 2026, 4:00 – Wednesday, June 3, 2026, 4:00

Login Bonus

Event Period: Tuesday, April 28, 2026, 4:00 – Wednesday, May 13, 2026, 4:00

[3] Comeback Login Bonus Starts!

Various campaigns are being held for returning users.

Comeback Login Bonus

For 28 days, users can receive daily login bonuses such as crystals and credits. By logging in for 7 days, users can acquire up to '70 Comeback Summon Tickets'.

Comeback Summon

A summon featuring limited pick-up units that appeared until the end of February 2026 will be held.

Comeback Limited Comeback Support Pack

A special pack including a summon ticket that guarantees a ★5 unit will be sold.

[4] New Content Implementation Planned

New content is planned for implementation from mid-May 2026. Details of this content will be sequentially disclosed via official X (Twitter) and in-game announcements. Please look forward to further updates.

[5] App Pay Exclusive Advantageous 100 Yen Pack Sale

The 'Welcome Pack', exclusively available for purchase via App Pay (https://app-pay.jp/app/ri-d), is now on sale. This is a very advantageous pack where you can purchase a set of '150 Crystals' and '10x Summon Tickets' for 100 yen.

RaiD Half-Anniversary External Collaboration Campaigns

[1] Movie 'Agito - Psychic War -' Collaboration Campaign

A collaboration campaign with the movie 'Agito - Psychic War -' will be held from 4:00 on Wednesday, April 29! During the period, 'Kamen Rider G7' can be acquired through login bonuses and panel missions.

Event Period: Wednesday, April 29, 2026, 4:00 – Wednesday, June 3, 2026, 4:00

[2] RaiD Quiz Campaign

From 17:00 today, Tuesday, April 28, a quiz campaign about the game will be held on the official RaiD strategy site 'AppMedia' (https://appmedia.jp/rid/79934965). In this campaign, all users can earn up to 1.5 million credits depending on the number of quiz challenges, and 1,500 crystals can be acquired for answering 8 or more out of 10 questions correctly.

Event Period: Tuesday, April 28, 2026, 17:00 – Sunday, May 10, 2026, 23:59

[3] 0.5th Anniv. RaiD Unit General Election Held!

The 'RaiD Unit General Election' will be held from 17:00 today, Tuesday, April 28, on a special page (https://www.vote-halfanniv.ri-d.jp/). Users can vote once a day for Kamen Riders and enemy units that have appeared so far.