Company: DKI
Filing Date: 2025-08-11
Form Type: 424B4
Source: 0001641172-25-022921
Chunk: 88

Company: DarkIris Inc.
Filing Date: 2025-08-11
Form: 424B4
Chunk 88
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5, ARPPU reached $21.99, a year-on-year increase of about 41.2% compared to $15.58 in the same period of 2024. In Q2 2025, ARPPU reached $19.01, a year-on-year increase of about 16.3% compared to $16.35 in the same period of 2024. This was mainly due to the successful launch of multiple high-quality new products such as “Immortal Fate” and “Floating Myth”, which drove the rapid growth of middle and high value users and significantly improved the overall payment level. At the same time, the consistent maintenance of quarterly ARPPU indicated that the Company has effectively stimulated users’ willingness to pay and consumption depth by strengthening content design, limited time activities, and precision marketing, while maintaining the stable performance of its core products. Overall, the ARPPU performance in Q1 and Q2 of 2025 not only continued its growth momentum, but also laid a solid foundation for optimizing the annual revenue structure.

Monthly Download Users (MDU)

We define Monthly Download Users (MDU) as the number of users who completed the download and installation of a game within a given calendar month. It is important to note that we track each user based on the unique identification associated with each download device, and multiple downloads by the same user are typically counted once. The Average MDU for a specific period is calculated by averaging the MDU for each month within that period. MDU is a key metric for assessing the reach and market appeal of a game. It is particularly indicative during the initial launch phase or during periods of major promotional campaigns, offering a clear reflection of user acquisition effectiveness and the potential market scale.

|                              |     | For the Six Months Ended March 31, |         |     |      |         |
|                              |     |                               2025 |         |     | 2024 |         |
| Quarterly Average MDU (1)    |     |                                    |         |     |      |         |
| Q1 (October 1 – December 31) |     |                                    | 118,187 |     |      |  43,273 |
| Q2 (January 1 – March 31)    |     |                                    | 105,791 |     |      | 110,111 |

In the first half of 2025, the average MDU continued to remain high, with Q1 of 2025 reaching 118,187