The level select screen is where you'll be spending a lot of time.
Here is where you can sort, group and search through your chart library.
Every feature available to you has an ingame tooltip or explainer, so this page serves mostly as a quick overview of what's here, with a bit of attention drawn to features you may not have noticed.
Everything also has a hotkey for quick access - Hotkeys are shown in the tooltips too!
Left-click and drag to scroll through songs, right-click and drag to fast-scroll.
Top secret tips for keyboard navigation:
PageDown, PageUp, Home and End let you navigate by entire groups at once. opens the right-click menu for the selected chartThe scoreboard on the left side of the screen shows your previous scores on the selected song.
If you have an online account, you can also swap this for an online leaderboard for the selected song, if available.
Scores can be right-clicked on to open up a menu - One of the options is to challenge this score via the Pacemaker feature!
Secret tip: You can press Z to enable keyboard navigation of the scores list, and . to open the menu for scores
Press the preview button (default hotkey A) to open a live preview of the chart before you play it.
Handy for inspecting a chart before playing it in full.
Mods (short for modifiers) are settings that change a chart in some way, for example by mirroring the chart horizontally to get around mindblocks.
They may serve as useful tools for practice, or ways to see charts you're used to in a different light.
The mod menu is also where you can set a pacemaker, or enable the Autoplay setting that lets you spectate a perfect playthrough of a chart.
Got an idea for a modifier? Suggest it in the Discord!
Comments let you make notes or tag charts, for example "play this again", "this is good" or anything else you want to note to yourself.
Charts with comments will show an icon next to them.
You can write a comment on the current chart by pressing F, and Shift+F toggles an overlay displaying all comments.
You can search for keywords in comments by typing comment="keywords here" or c="keywords here" in the search box.
Hitting the 'random chart' button (hotkey R) will select a random chart from the visible charts.
Under Options > Advanced Settings you can enable Random Suggestions to get a 'recommended' chart instead of a random one.
In this case an algorithm will try to find similar charts (by patterns, length, difficulty, etc) and switch to one of those.
You can cycle the library view between 3 modes:
Collections function similarly to osu! collections, where you can create a custom set of charts. A wiki article dedicated to them coming soon.