||12 January 2012
- Cytus於iOS平台發布，價錢 USD1.99$/NT30$/JP120Y
||7 February 2012
||5 April 2012
- 加入Iris 和 Light up my LOVE.
- "長按"出現 BUG
- "Click sound" 改成了 "Click FX"
- 修正了 "Use headphones for best experence" 的誤寫。
||6 August 2012
- 加入八首新曲目，且 Saika移至第三章，並免費開放。
- 更改背景音樂和標題畫面為 Loom
- 開始了 百萬下載計劃
- 全部的曲目都已經解鎖 (除了 Halcyon 需要社群網路才能解鎖)
- 支援 iOS 的 Game Center 成就系統
||27 November 2012
- 優化了遊戲，使之可於 iPhone5 和 iPod Touch 5G 上執行
||3 December 2012
- Fixed the bug on Hot Air Balloon question mark redirect in the selection screen in Chapter I.
||8 February 2013
- 第四章 - The_Silence released for free for achieving 100,000 paid downloads.
- Added 第五章 - Vanessa and 第六章 - The_Lost with 20 new songs as IAP (Bugs fixed in next update).
- Renewed note charts for Sanctity.
- Improved appearance for main and song select menus.
- Hidden song scores can now be shown during song selection.
||15 February 2013
||1 March 2013
- (For Android) Included all the updates from previous versions of Cytus (3.0.0 and 3.0.1).
- Fixed DARKNESS music track and renewed note charts.
- Fixed "Bloody Pruity" typo in BLOODY PURITY in 第六章 - The Lost.
- Facebook sharing problem corrected.
- Minor fixes and optimizations.
- Issue occurred for some Android devices involving store.prefs in the data files and so does 3.0.3.
||7 March 2013
- Handle incomplete IAP after a disconnection or crash.
|14 August 2013
- 第五章 - Vanessa unlocked for free for achieving 200,000 paid downloads.
- Added 第七章 - Loom and 第八章 - Another Me (with 22 new songs) as IAP.
- Renewed app icon and title screen.
- Title screen can now be skipped during the Rayark logo
- Unlocked Halcyon in 第三章 - Cytus.
- Exclusive features and fixes for Android:
- Calibration function (can be accessed by touching the gear icon inside the STATS menu in the right lower corner of the screen).
- The annoying black loading circle in the start of the game since 3.0.2/3.0.3 is removed.
- Minor improve performance.
||6 November 2013
- 第六章 - The_Lost unlocked for free for achieving 300,000 paid downloads.
- Added 第S章 - Symphony with 10 new songs as IAP and as a teaser for a new game under development by Rayark, Project Symphony, which will be released in 2017).
- Difficulty levels of all songs are adjusted to make them more reasonable.
- "Buy now" button in cooldown is renamed to "Skip" (Android)
- Cooldown now counts down to 30 seconds for all songs.
- Cytus is free on the App Store for a limited time.
||29 January 2014
- 第七章 - Loom unlocked for free for achieving 400,000 paid downloads.
- Added 第九章 - Buried and 第十章 - The New World with 21 new songs as IAP.
- Added two separate remix as hidden Slit songs to第八章 - Another Me:
- Renewed note charts for Hard Landing (also track) in 第二章 - Disaster and Niflheimr in Chapter VI. Their hard difficulty levels changed to 8 as well.
- As of 5.0, there is a swiping glitch which can activate COMA or Oriens without unlocking them. See: Glitch.
- Android features and bugs:
- With some devices involving store.prefs in data file and old Google Play Store version, game loads forever just like in 3.0.2/3.0.3, but only white screen.
- Starting with this version, The game will no longer download its resource (OBB) files.
- Some text in the game is now high quality.
|5 February 2014
- Fix the issue that causes game crash while restoring purchases.
||9 February 2014
- Fix the issue that causes game crash while entering chapters 1 to 4.
- Fix compatibility issue on iOS 5.
|8 July 2014
- 第八章 - Another Me unlocked for free for achieving 500,000 paid downloads.
- Added 第K章 - Knight with 10 new songs as IAP, which contains the story of two girls from HOLY KNIGHT.
- Added Cytus Alive album with 10 story songs for free (but its songs from IAP chapters unplayable in cooldown versions).
- Added iCloud support (iOS) and Google Cloud Save function (Android) to save your game scores (Accessible in Stats menu and result screen).
- Supported Google Play Games leaderboards and achievements.
- STATS menu appearance enhanced.
- Removed load times after entering songs.
- "Quit Cytus?" dialog box replaced by different one on both iOS and Android devices.
- Android bugs and fixes:
- Bug while trying to update Million Download Plan with no internet displaying different text instead of "count from Cytus 2.0.0 released to..."
- Fixed white screen bug for some devices
- Game no longer pops up news ads after starting the game for the first time.
- Adjusted chapter titles text in chapter selection screen.
- Fixed text bugs on Chapter S songs.
- Fixed positions in Result screen.
- LockedCodename:Zero from being unlocked via Facebook/Twitter actions.
||18 September 2014
- 第九章 - Buried unlocked for free for achieving 600,000 paid downloads.
- Added 第0章(序) - Prologue as permanent IAP because Sony Computer Entertainment discontinued PlayStation Mobile, therefore Cytus Lambda is no longer downloadable.
- Fixed credits for The New World.
- Added "Kamcord" gameplay recording function to record gameplay and share it on YouTube or Facebook (on selected devices only).
||20 December 2014 (Android)
21 December 2014 (iOS)
- 第十章 - The New World and 第S章 - Symphony unlocked for free for achieving 700,000 and 800,000 paid downloads.
- Added 第R章 - Retro with 11 new songs as IAP, which consists of songs composed in 8-bit/chiptune SFX.
- Renewed note charts (and recurred some tracks) for some songs from Chapter 1 to Chapter 3.
- The Megaera glitch, where clearing the song causes occasional crashes or the absence of the Million Master logo, is fixed.
- Pause menu button now turns yellow the first tap to prevent accidental tap.
- Credited M2U in the song Predawn and fixed the icon bug for Lord of Crimson Rose in Chapter K.
||1 July 2015
- 第K章 - Knight unlocked for free for achieving 900,000 paid downloads.
- Added 第M章 - MILLION with 12 new songs for free for achieving 1,000,000 paid downloads and to celebrate the success of the Million Download Plan.
- Added 第T章 - Timeline with 10 songs as IAP, which contains the story of Taiwan, home of Rayark Games.
- Renewed app icon.
- Kamcord can now record high quality videos again.
- "Quit Cytus?" dialog box changed again.
|2 July 2015
- Fixed a bug that causes some devices not to show the $4.99 padlock on 第T章 - Timeline, thus giving the inability to purchase it.
|4 September 2015
- Updated Google Cloud Save function to ensure correction of cloud savedata.
||12 November 2015
- Added 第L章 - L with 10 orchestrated songs with difficult charts as IAP worth $9.99 (easier charts were added in 9.1)
- Added第D章 - Deemo with 10 original Deemo songs crossovered to the game as IAP.
- Kamcord function permanently removed.
- Reported game crash on Android 6.0 fixed.
- Fixed the killer lag on The Ricochet first play (some Android devices).
- Fixed "Area 184 - Platium Mix-" typo for Area184 -Platinum Mix- in 第M章 - MILLION.
- Added cooldown for Chapter K (Android)
|22 January 2016
- Added easier Chapter L charts, thus 20 charts in this chapter after some players gave negative opinions and complaints on the old and almost unplayable charts.
- The old charts can still be accessible as hidden by touching the flashing "L" on each of the cover arts.
- Fixed overlaps in the hard charts for L1: The Devastated Lower and L7 : Almighty, and in the easy chart for Undo.
|Version 10 -FINAL VERSION-
|6 September 2016
- Added 第N章 - NightKeepers with 8 songs as IAP.
- Calibration function (originally for Android since 4.0) now added for iOS.
- Added "Another" chart as hidden:
- Added two new hidden songs:
- Facebook and Twitter login features in STATS menu removed.
- Facebook and Twitter share features in result screen removed and replaced by new sharing function.
- Fixed pinkish-white icon screen in Hay Fields
- Minor text fixes in some chapters, notably Green Eyes, Hard Landing and Prismatic Lollipops