The site promotes reliable downloads, an ad-free experience, and transparency, and invites users to help keep the service running through donations. Visitors can browse or search maps using filters for status, game mode, difficulty, stars, BPM, length, and gameplay attributes such as approach rate, overall difficulty, circle size, and health drain. Additional filters cover genre and language, while a collections feature offers another way to explore beatmaps.

The site also provides statistics and an API, and users can connect with the community or seek help through Discord. Its map listings span osu! status categories including ranked, loved, qualified, pending, and graveyard, with modes for osu!, Taiko, Catch, and Mania. rai.

moe states that it is not affiliated with ppy Pty Ltd and provides terms and privacy information. Overall, the brand focuses on convenient access to beatmaps and practical tools for the osu! community