Spike Chunsoft 在 NS 日服上开启了“2022 夏季特卖”活动，活动日期为 2022 年 7 月 28 日至 8 月 18 日。在本次特卖中，有首次加入特卖的《研究与破坏》和包含外传作品《幸福弹丸论破S 超高中级的南国掷骰合宿》在内的《弹丸论破》系列，最大折扣达到 80%。打折游戏列表：来源：4Gamer
Spike chunsoft launched the "2022 summer sale" on NS day service from July 28 to August 18, 2022. In this special sale, there are the "research and destruction" and the "Bullet Theory" series, including the legendary work "Happy Bullet Theory s super high and intermediate Southern dice together", which have been added to the special sale for the first time, with the maximum discount of 80%. List of discounted Games: Source: 4gamer
