osu-lazer/osu.Game.Rulesets.Mania/Mods/ManiaModKey1.cs

// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE

namespace osu.Game.Rulesets.Mania.Mods
{
    public class ManiaModKey1 : ManiaKeyMod
    {
        public override int KeyCount => 1;
        public override string Name => "One Key";
        public override string ShortenedName => "1K";
        public override string Description => @"Play with one key.";
    }
}