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I've never played this "Ouendan" thing - what is it?

Osu! Tatakae! Ouendan is a rhythm game for the Nintendo DS. The gameplay consists of only three elements: tapping circles on the touchscreen, dragging a ball across a fixed path and rotating a spinner very fast. All these elements are timed to (covers of) popular Japanese songs. It looks like this on the DS:


You can see the circles on the bottom screen, and on the top screen you have the story. Each stage is basically a self-contained story about a person in trouble. That's where the Ouendan (Cheer squad) comes in. Through the magical power of male cheer-leading, you have to help the people in trouble.

How do I play?

Full explanation: osu! Standard

While most PC users won't have a touchscreen at their disposal, this game is made to be playable with a normal mouse, as well as any number of input devices you can possibly think of. Different play styles can be found in the Play Styles page. There are some songs which push the limits of the normal mouse (and you), but all the (ranked and approved) beatmaps have been tested and (most can be) passable using only a mouse.

Game-play Basics

Tutorial: (Bundled with PC osu!) Original tutorial, Ranked beatmap version

The game-play puts emphasis on your:

  • Adaptability and reaction to stimuli (that is, the hit-able objects appearing all over the screen at lightning speed).
  • Understanding of the song beat and design.
  • Your control of your mouse (or your fingers/pen-poking skills if you are using a tablet instead).
  • Timing of your hits on the object that appeared on the screen.
  • Ability to spin the mouse (or your finger/pen for tablet) on spinners.
  • Your physical stamina (especially marathon songs).
  • Proper mouse positioning and hand-eye coordination.
  • Your hardware capability (especially your mouse/tablet).

These are some of the vital skills you will learn as you progress your journey on becoming an osu! rhythm master. Before you set out to become a rhythm master, you must learn the basics (and theories) of the hit-able objects.

Let's learn about what the hit-able objects are, shall we?


Main article: Hit circle


  • Here you can see the circles you have to tap.
    • The smaller coloured approach circle on the outside shrinks and you have to hit the note at the exact point when it touches the white border of hit-circle.
  • To understand the hidden charm of hit-circles, you should not only rely on your perception (your eyes) but also the understanding of the beatmaps' beats and rhythm by your ears (auditory).


Main article: Sliders


  • Here we have a slider.
    • First, you have to hit it at the right moment, but it doesn't end there.
    • A ball will start to move across the path you see.
    • You have to hold the mouse/keyboard-button (or your finger/pen on the tablet) and keep your pointer inside the thick orange circle surrounding the ball as it moves.
      • You cannot control the movement, and you must follow its movement.
      • The orange circle will appear if you are holding it and disappears when you leave it.
    • Sometimes, as in the screenshot above, you have to move back at the end of the path.
    • You can tell by the reverse symbol at the end of the path.


Main article: Spinner


  • This is a spinner.
    • You have to click then hold the hit-button, and the mouse is used to spin (clockwise or counter-clockwise) in circles like mad before the time (which is, that blue circle line) runs out.
      • The bars on the outside indicate how close you are to passing.
      • The small bar below the spinner shows spins per minute, means the number of spins you are making if you continue that speed of spinning for one minute.
      • If you didn't hold any hit-button prior to spinning, you will not fill up the gauge at all.
  • On the DS, this is a good way to scratch your touchscreen (or screen protectors), especially on the higher difficulties.
  • In osu!, spinners have been toned down as to not be such a nuisance to complete.
    • The maximum number of spins per minute achievable is 477 which is also the rate at which the Auto game modifier spins while the Spun Out game modifier spins slower at 287 spins per minute.
  • [Mouse]If your cursor did not spin at all but moving statically despite you are spinning really fast, either understand the limit of your mouse or get a better mouse/mousepad.
    • Conventional mouse may suffer this issue, and it is best to start spinning slowly instead of suddenly spinning really fast so that the mouse can detect what you are doing.

In-Game Interface


This is the osu! game style interface.

  • The top left bar is your "health".
    • This will decrease at a steady rate [depending on the beatmap difficulty set by the mapper(s)], but you can replenish it by hitting notes at the right time.
    • A perfectly timed hit (300 hit or Geki Beat) will increase your health more than a badly timed hit (50 hit).
    • A total miss will take a good chunk out of your health.
  • Next to the health bar (at the right) is your score.
  • Below the score is your accuracy.
  • The circle beside your accuracy and below your score is a timer bar, which shows the song length.
  • The number on the bottom left is the combo counter/score multiplier.

Alternative Game Modes

What is "Taiko"?

Full explanation: Taiko
Taiko gameplay.

Taiko no Tatsujin is a Taiko Drum rhythm game made by Namco, that involves the simulation of playing the drums to the beat of the music. In osu!, beatmaps can be played in the styling of Taiko no Tatsujin through the use of special Taiko game mode.

Like basic osu!, there are three elements of gameplay.

Basic explanation

This will appear as either a red or a pale-blue circle. They are named as red (Don) notes and blue (Katu) notes.

  • If it is a small red note, you must press the button bound to the inner portion of the Taiko drum or hit the large flat area (center) of the TaTaCon.
  • If it is a small blue note, you must press the button bound to the outer ring of the Taiko drum or hit the sides of the TaTaCon.
  • If the note is a LARGE circle, you should press or hit both of either inner or outer drum depending on the colour of the note for additional points.
    • The notes must be pressed or hit when they reach the small white circle next to the drum below the status bar on the play-field.

Hit balloons
They are shown as normal small red notes but with a inflatable balloon behind it.

  • You should hit the inner drum continuously until the hit counter reaches zero.
  • You gain points for each hit and bonus points for popping the balloon.

Drum rolls
Drum rolls appears as yellow bar in the play-field.

  • You should hit the inner (or outer) drum continuously until it is done.
    • For LARGE note, you should hit both buttons on the inner (or outer) drum simultaneously and continuously until it is done.
  • You gain points for each successful hits.
  • You can choose to ignore it at the cost of your possible points gained from the drum roll.

These appear as spinners, with a countdown displaying the time you have remaining to clear it.

  • You must hit the inner and outer drum in order (like red,red, blue,blue, red,red, and so on) until the Denden meter is full.
  • Bonus points are given for extra hits after completing the Denden.


The default controls for the Taiko mod are:

Red: [Mouse] Left click, [Keyboard] [X] or [C], [TaTaCon] Flat surface of the drum.
Blue: [Mouse] Right click, [Keyboard] [Z] or [V], [TaTaCon] Outer surface of the drum.
osu! cursor placement does not matter when playing.

You may configure the keyboard buttons as you see fit, from the Input tab in the Options menu.

What is "Catch the Beat"?

Catch the Beat gameplay.
Full explanation: Catch the Beat

Catch the Beat is the second special game mode to be added in, after Taiko game mode.

Instead of clicking circles, you are now tasked to move the catcher at the bottom of the screen while the fruits fall from above.

Controlling the catcher

If the Relax mod is used, control of the catcher is done by moving the mouse instead.
  • By default, the left [<-] and right [->] arrow keys are used to move the catcher.
  • Pressing the left [SHIFT] key with one of the arrow keys will make the catcher dash in that direction at x1.5 speed (indicated by a bright glow at the catcher).

What is "osu!mania"?

osu!mania (7K) gameplay.
Full explanation: osu!mania

osu!mania is the third special game mode to be added in, after Taiko and CtB game mode.

This mode has been widely used in almost all of the major rhythm games that require good hand/leg coordination, where the beat notes with their quantity depending on BPM and difficulty move on the conveyer, and the player have to press the correct key for that specific beat note in time. Though the game mode was originally made as an imitation of Beatmania style of playing, however, by changing the number of keys, you can make it look more like Guitar Hero (5) or Dance Dance Revolution (4) and so on.
Currently, you can set from 1 to 9 Key by game modifier (by default, it would be around 4 to 8 Key, except for osu!mania-specific beatmaps) to an upward of 2 - 18 Key (two playfield) with the Co-op game modifier.


[Symmetrical]Key Bind colour and placement by number of buttons (outdated)

There two different binding-styles, Symmetrical and Left to Right.

  • Symmetrical style mimics the button placement of DJMAX, in which the center key is "spacebar", in which, created a feeling of "stepping" the pedal similar to the arcade version. Centre key matches the middle column (5K and 7K only) and the other column matches the keys in its corresponding place.
  • Left to Right style mimics the button placement of Beatmania IIDX, where the first column matches to the key1, then the second column matches the key2 and so on.

Symmetrical key binding (For DJMAX style)

  • For left hand buttons — (K1)A, (K2)S, (K3)D, (K4)F
  • For right hand buttons — (K6)J, (K7)K, (K8)L, (K9)semicolon ";".
  • Center button — (K5)spacebar. [On 5K and 7K only]
  • The Special button — left SHIFT and left control "Ctrl".

Left to Right key binding (For Beatmania IIDX style)

  • From down to up then down to up again: (K1)Z, (K2)S, (K3)X, (K4)D, (K5)C, (K6)F, (K7)V, (K8)G, (K9)B [K9 is not used]
  • The Special button — left SHIFT and left control "Ctrl".
Default Key layouts of osu!mania (Options->Input)
Key Symmetrical binding
4K K3, K4 - K6, K7
5K K3, K4 K5 K6, K7
6K K2, K3, K4 - K6, K7, K8
7K K2, K3, K4 K5 K6, K7, K8
8K K1, K2, K3, K4 - K6, K7, K8, K9
Key Left-To-Right binding
4K K1, K2 - K4, K5
5K K1, K2, K3, K4, K5
6K K1, K2, K3, K4, K5, K6
7K K1, K2, K3, K4, K5, K6, K7
8K K1, K2, K3, K4, K5, K6, K7, K8


Detailed explanation of scoring can be found at the game style's own respective page or the "Score" page.


Osu.gif osu! Standard

Normal grades

  • SS = 100% Accuracy
  • S = Over 90% 300s, less than 1% 50s and no misses.
  • A = Over 80% 300s and no misses OR over 90% 300s.
  • B = Over 70% 300s and no misses OR over 80% 300s.
  • C = Over 60% 300s.
  • D = Anything else.

Taiko.gif Taiko

Normal grades

  • SS = 100% Accuracy.
  • S = Over 95% Accuracy (90+% GREATs, or less than 1 GOOD for every 10 notes).
  • A = Over 90% Accuracy (80+% GREATs, or less than 1 GOOD for every 5 notes).
  • B = Over 80% Accuracy (70+% GREATs, or less than 1 GOOD for every 3.33 notes).

Ctb.gif Catch the Beat

Normal grades

  • SS = 100.00% Accuracy
  • S = 98.01% to 99.99% Accuracy (You can have 'S' rank even if you make several misses, like in osu!mania).
  • A = 94.01% to 98.00% Accuracy
  • B = 90.01% to 94.00% Accuracy
  • C = 85.01% to 90.00% Accuracy
  • D = Any other accuracy under 85.00%.

Mania.gif osu!mania

Normal grades

  • SS = 100% Accuracy (only MAX and/or 300).
  • S = Over 95% Accuracy (You can achieve an 'S' rank even if you make several misses, like in Catch the Beat).
  • A = Over 90% Accuracy.
  • B = Over 80% Accuracy.
  • C = Over 70% Accuracy.
  • D = Anything else.


Special grades

Regarding the "Ranks" in profile page

  • Grades you obtained will be set at your profile page under General->Ranks provided you are online when receiving the grade.
    • Offline play even when your account is logged in is not counted.
  • Grades given for your profile depends on beatmap difficulties, not as whole.
    • If the beatmap has 3 difficulties, and you SS all three of them, you will receive 3 SS and not just one SS in your profile.

Performance Points

Full explanation: Performance Points

Performance Points (pp) is a ranking metric aiming to be more contextually relevant to a continuous game like osu!. It aims to shift the focus from being on the amount of time played to the actual skill of the player. Performance points are heavily based on map difficulty which is determined by a unique algorithm in every gamemode. Based on this difficulty alone each of your scores is rated and assigned a pp value. Your performance rank is predominantly based on your performance on individual maps. The easiest way to improve it is to improve your scores on difficult songs. Do note that game modes are counted separately [which means, playing (osu!/Taiko/CtB/osu!mania) raises (osu!/Taiko/CtB/osu!mania) pp].

If you have any questions regarding pp, please refer to the wiki page for pp first.

Common issues and questions


Where can I find and get the beatmaps?

Detailed explanation of the beatmaps: Beatmaps

You can find it from the main page under the name "Beatmaps".

  • Just remember to log in to your osu! account before-hand or the server treats you as a guest and prohibit you from downloading beatmaps from the site.

Can I disable Kiai Time?

No, because unlike video, they are integrated to the game (as a part with the hit objects), thus cannot be disabled.

The maps are too hard! Where can I find some easier maps?

Pokebis has compiled a set of beatmaps suitable for beginners to play. You can find them here: http://osu.ppy.sh/forum/t/5456

Also, the ranked beatmap version of osu! tutorial is good for practicing some of the possible mapping design you will come across. It's an excellent training map for newbies and experienced players.

Alternatively, you can sort the ranked beatmap list by difficulty. The easiest maps are at the top of the list.

What does Level in my profile actually do?

Absolutely nothing. There is no difference in any way when comparing a Level 100 player against a Level 1 player except the player's own skills and experience of play. There is no handicap for the lower level nor there is an advantage for the higher level (except personal experience and hardware used).

Level is based on your total score accumulated when online with your account whether you pass or fail the beatmap. Formula given here

Why is my profile stats different ingame?

Keep in mind that osu! has four game modes so you might be looking at the wrong game mode.

Manually select the game mode at your profile that you want to view.

Profile Mode Buttons.gif

Why am I seeing random white lines on screen every time I play?

Make sure that the smoke/skywriting key binding is not the same as the keybinding you use at playing.

Why do I not have the max possible combo when I have no misses?

You released a slider too early or you barely clicked the hit-circle. Answer's Source

Performance points questions

Credit: CXu's Performance Points FAQ [1]

Why did I only gain 30pp when the map I played gives 100pp?

PP is a weighted system. This means that your highest pp score gives 100% of its pp, the next one 95% and so on. So your 100pp score may only be weighted around 30%. This does not, however, mean that you actually get a 100% pp gain, even if you set a new personal top performance, as every other score you have will be weighted less than they did before. It's quite easy if you think about it for a little bit:

Let's imagine that your top rank only has 2 maps and looks like this:
#1. 100pp, weighted 100%
#2. 100pp, weighted 95%

Your total pp will then be 100 + 95 = 195pp. If you now set a 110pp score, your top rank will look like this:
#1. 110pp, weighted 100%
#2. 100pp, weighted 95%
#3. 100pp, weighted 90%

As you can see, your new total pp is not 195 + 110 = 305pp, but 110 + 95 + 90 = 295pp.

I used to get some pp from playing 100pp maps, but now I get nothing?

This happens for the same reason as above. At some point, the score will be weighted for 1% or less, and your overall net gain of pp will be so small that it's negligible. Set some scores worth more pp to gain more!

I played a map and I suddenly lost 384495 ranks! Why did I lose so much pp?

Are you absolutely sure you lost pp? Remember that a ranking is dynamic. When you go to bed, countless of people below you will play the game and achieve a higher pp score than you. Your rank does not update until you play a song, so when you play a song, and get to the result screen, it will look like you suddenly lost a lot of ranks. In reality, this most likely happened not because you lost pp, but because other players gained pp, either while you were busy playing the map, or while you were busy doing other things.

I just got a new score on a map, and I lost pp for it. Why isn't the highest pp score saved?

osu! is a fairly old game, and back then, pp didn't exist, and score rankings were the alpha and omega. And while we do have a pp based ranking now, map ranking are still determined by the player with the highest score, and not the highest pp, and therefore you might occasionally lose pp from getting a higher combo with worse accuracy, or playing with HD with worse accuracy or similar.

Why is x mod over-/underweighted? This is wrong!

Almost every "mod specialist" that keep talking about mods being over or underrated falls into either category:

  1. Those that think their mod is underrated and the others are overrated (because "if I had x I would totally pp farm that stuff while I'm totally pro.")
  2. Those that think their mod is overrated and the others are underrated (because "rofl this is soooooooooooooo easy I'm so good at this game.")

In reality, no system can be completely perfect. Some maps will be easier than others, while still give the same amount of pp, and that's just how it is. Difficulty is also subjective, and it depends heavily on what you as a player specialize in. A HR player might find a particular map overweighted with HR, while a nomod player might find that pp weighed perfectly fine.

Why is x map over-/underweighted? This is wrong!

This has more or less the same answer as above. Additionally, the pp algorithm currently does not really take reading difficulty into account. This means that maps that are difficult to read will very often be underweighted compared to their overall difficulty.

How do I get more pp?

Play more.


"This beatmap you're trying to submit isn't owned by you!"

For unranked beatmaps only.

Please follow these steps:

1. Leave the editor (or close osu!) to make sure the changes apply properly
2. Check the name of the beatmap's folder
  • If it starts with numbers, remove them. Otherwise, osu! will treat it as BeatmapSetID
3. Make sure that the .mp3 does not start with numbers. Rename the file and edit the filename in the .osu files if it does.
4. Open all the .osu files with a text editor (Notepad will work)
  • Set your name as creator (and replace it in the file name as well)
  • Set the BeatmapID to 0
  • Set the BeatmapSetID to -1
Example of an .osu file


List of Guides in osu!
FAQ/Ranking Guidelines
General Mapping Guides What is a beatmap? How do I beatmap? How do beatmaps get ranked? Difficulty appropriate gameplay elements How to time songs Song Setup Mapping Taiko Difficulties Fitting the Size-limit
Modding Aides AIBat
Mapping Techniques Mapping Techniques Making Good Sliders How to do 15° Patterns
Modding Info How do I mod?
Skinning/Hitsound Guides

Cropping with Complex Backgrounds Cropping with Simple Backgrounds Making Properly Centered Spinners What are Custom Sample Overrides? Custom Hitsound Library Adding custom hitsounds

Storyboarding Guides Storyboard Scripting Storyboard Scripting (Cheat Sheet) SGL Tool Reducing SB Load
Audio Editing Guides Audio editing Basic MP3 modifications Getting songs from Video Games
Video Editing Guides Compressing Videos Videos from YouTube
Gameplay Guides Play Styles How to increase your rank Making nice recording for Youtube Live streaming osu! How do I use the Chat Console?
Common Mistakes Changing the Map's Artist or Title
osu!forums Guides BBCode Starting a Beatmap Project How to not Embarrass Yourself in the Projects Subforum How to not Embarrass Yourself in the Modding Queues Subforum
Miscellaneous BanchoBot Changing Title Text Music Theory Setting the Offset on the Correct Beat Collab Information Shortcut Key Reference GL Support Issues What is Internet Relay Chat? How to Run osu! on Your Mac without using Boot Camp

Contents of
Getting Started Registration Installation Newbie's guide Game Interface Options Hit Objects
osu! Game Styles Basic explanation Multi-play
External ports » osu!stream osu!droid opsu! osu!wp T-Aiko Beats
External clients » osu!tourney osu!MapDownloader
World of osu!
Miscellaneous » Mascots osu!academy osu!talk
Beatmap Editor Compose / Design (Scripting) / Timing / Song Setup

Beatmapping Beat Snap Divisor / Distance Snap Custom Sample Overrides Kiai Time Mapping Techniques Skinning Skin.ini Storyboarding

Online Editing
and Ranking
Beatmap forum Submission Beatmap Approval (How to Get Your Map Ranked) Modding (Getting Your Map Modded) Music Theory Audio Editing Kudosu / Star Priority
People The Team Administrators/Global Moderation Team Quality Assurance Team Beatmap Nomination Group Language Moderators osu! Alumni Support Team Community Contributors List of notable people