- Looking for Error Reports - 7 September 2026
I spotted potential unknown error logs from September 6th.If you experienced any issues that prevented you from playing, please reach out to me through whatever channel is most convenient for you. I'll do my best to offer a small token of appreciation for your help.We hope this update provides a more enjoyable gaming experience. We always welcome your feedback in the comments or on the discussion page.To reach a wider global audience, we utilize AI for translations. However, to ensure the best possible experience, we manually review every sentence. If you encounter any awkward or incorrect expressions, please report them through the community, and we will correct them immediately.
- 1.012.01 Update Notes - 15 August 2026
Today, August 15, version 1.012.01 has been updated.Symbol Assist Mode has been added. Gameplay is now smoother for players who find color mixing difficult, as well as colorblind and color-deficient players.The user experience in the Game Settings panel has been improved, and dedicated settings for Symbol Assist have been added.Monster resistance is now displayed as numerical values in descriptions, allowing for more detailed strategic planning.A Game Guide has been added. It currently includes explanations for basic stats, tech trees, and Symbol Assist Mode for Lines and Towers, with more explanations to be added continuously in the future.Fixed an issue where some costs were incorrect in the Spiral Line tech tree.Pressing the spacebar now pauses the game.Monster balance has been partially adjusted.This update focuses on user convenience, such as Symbol Assist Mode, the guide, and the…
- 1.011.01 Update Notes - 20 July 2026
We are releasing an emergency update today, July 20, to fix issues where achievements were conflicting with the revamped growth system introduced in last week's update.Achievements related to the levels of 3 types of Towers and Lines have been changed to Tech Tree upgrade achievements.Fixed an issue where completed achievements were not immediately reflected in the UI.We sincerely apologize for any inconvenience caused during gameplay.We hope this update provides a more enjoyable gaming experience. We always welcome your feedback in the comments or on the discussion page.To reach a wider global audience, we utilize AI for translations. However, to ensure the best possible experience, we manually review every sentence. If you encounter any awkward or incorrect expressions, please report them through the community, and we will correct them immediately.
- Guide to Gameplay Changes Since Version 1.011.00 - 20 July 2026
Tech Tree and Growth System OverhaulLast Friday, we rolled out the first major update following the demo launch. Based on feedback from players who played the demo, this update overhauls the way Towers and Lines grow.We are temporarily scrapping the previous system of leveling up Towers and Lines. However, the underlying system will be preserved so it can be repurposed for different gameplay experiences in the future.Instead, all growth for Towers, Lines, and Skills is now integrated into the Tech Tree. Each Tech has its own Tech Tree, which gradually expands as you progress through stages. In the current demo version, where only the first Zone is playable, up to 8 rows are unlocked.You can upgrade the Tech Tree using Gems, three colors of Essence, and Upgrade Coupons obtained from stages. While there are no restrictions other than currencies in the demo version, a few additional limita…
- 1.011.00 Update Notes - 17 July 2026
Today on July 17, we have updated the game to version 1.011.00. Thank you for your patience during the 2-week delay as we prepared this major overhaul of the growth system.Growth System OverhaulNow you increase the performance of your Lines, Towers, and Skills through the Tech Tree. We will share more details about this in an upcoming growth system news post.The five currencies used across various parts of the game are now all used for upgrades in the Tech Tree. As before, Essence is primarily used for Towers, and Gems are primarily used for Lines.The purpose of Upgrade Coupons has changed. Previously used for additional Tower upgrades, they are now vital for upgrading Skills.For the time being, Line and Tower levels will not increase. We will collect user feedback for a while before making a decision on whether to keep the level system.Miscellaneous Adjustments & Bug FixesWe revamped t…
- 1.010.40 Update Notes - 21 June 2026
We have released the regular update version 1.010.40 today, June 21.You can now check the remaining durability of lines more easily than before.It is now much easier to see the capacity for line attachments on your towers.The limit for monsters passing through to clear a stage has been increased to 10.The sidebar helper now provides more practical information.We have finally implemented these improvements, which many players have requested despite their technical complexity. Enjoy the more intuitive strategic experience in Rainbow Tower Defense!We hope this update provides a more enjoyable gaming experience. We always welcome your feedback in the comments or on the discussion page.To reach a wider global audience, we utilize AI for translations. However, to ensure the best possible experience, we manually review every sentence. If you encounter any awkward or incorrect expressions, plea…
- 1.010.34 Update Notes - 12 June 2026
We have released a minor update, version 1.010.34, today, June 12th.Helpful descriptions now appear in the sidebar whenever needed. You can hide the sidebar at any time.The guide in the first stage has been refined to be more detailed and precise.Fixed some issues where outlines would become excessively thick at lower resolutions.Various bug fixes have been implemented.We apologize for the inconvenience caused by the earlier-than-scheduled release this week due to several bugs.We hope this update provides a more enjoyable gaming experience. We always welcome your feedback in the comments or on the discussion page.To reach a wider global audience, we utilize AI for translations. However, to ensure the best possible experience, we manually review every sentence. If you encounter any awkward or incorrect expressions, please report them through the community, and we will correct them immedi…
- 1.010.32 Update Notes - 8 June 2026
An emergency patch was deployed today, June 8th. We have fixed an issue where some players were unable to progress through the tutorial stage following yesterday's update. We apologize for any inconvenience this may have caused.We hope this update provides a more enjoyable gaming experience. We always welcome your feedback in the comments or on the discussion page.To reach a wider global audience, we utilize AI for translations. However, to ensure the best possible experience, we manually review every sentence. If you encounter any awkward or incorrect expressions, please report them through the community, and we will correct them immediately.
- 1.010.31 Update Notes - 7 June 2026
Today, on June 7th, we rolled out our regular update, version 1.010.31. Reflecting feedback from many users who mentioned they weren't sure how to play the game, we have majorly improved the tutorials.We have significantly enhanced the initial tutorial and the early-game user experience.We fixed an issue where some tutorials were appearing too frequently unintendedly.Players can now set the gameplay speed to 0.Message windows have been made easier to read.The harder a monster is hit, the larger the damage text appears, allowing you to better feel the impact of your power.Additionally, a persistent notification tutorial will be added through a minor update next week.We hope this update provides a more enjoyable gaming experience. We always welcome your feedback in the comments or on the discussion page.To reach a wider global audience, we utilize AI for translations. However, to ensure t…
- 1.010.21 Update Notes - 31 May 2026
We released the regular update version 1.010.21 today, May 31st.Fixed alignment issues for some UI elements.Monster HP bars no longer overlap with the UI.Monster damage indicators no longer overlap with the UI.Fixed an issue where settings changed in the Research Lab were not being applied to the stage preparation screen.Additionally, the game information on the store page is currently being updated and will be reflected either today or tomorrow.We hope this update provides a more enjoyable gaming experience. We always welcome your feedback in the comments or on the discussion page.To reach a wider global audience, we utilize AI for translations. However, to ensure the best possible experience, we manually review every sentence. If you encounter any awkward or incorrect expressions, please report them through the community, and we will correct them immediately.
- 1.010.20 Update Notes - 24 May 2026
Today, on May 24th, the regular update for version 1.010.20 has been deployed.Damage numbers are now displayed every time a monster takes damage.The UI design for the next round's monster information has been revamped, and the monster count is now displayed. Consequently, the previous monster information window has been discontinued.When a monster is inflicted with the Confusion debuff, a clearer indicator will now appear to make it more recognizable.Various visual effects have been polished for better clarity.Tooltips have been added to various UI elements. Hover your mouse over any UI component you're curious about.You can now toggle the information window that appears when hovering over lines and towers in a stage. The hotkey is 'O'.The round indicator, which previously swept across the screen at the start of each round, has been changed to remain permanently at the top of the screen…
- 1.010.12 Update Notes - 14 May 2026
We have released an emergency update to address the tutorial freezing issue reported by a user.We have implemented a fix to prevent this from recurring,A 'Skip' button will now be available throughout all tutorials following the update.Please feel free to report any issues you encounter during gameplay.To bring our game to as many players as possible, we are currently utilizing AI translation. However, we are personally reviewing every sentence to ensure the best possible experience.If you encounter any awkward or incorrect expressions, please report them through the community, and we will correct and reflect those changes immediately.
- Update Notes v1.010.11 - 10 May 2026
As announced last week, we have completed the scheduled update for version 1.010.11 today.Update NotesRemoval of AI-Generated Assets All AI-generated assets have been removed from the game and the store page. AI is now strictly used only for store page translations.All in-game text was first drafted using a translator (non-generative) and subsequently verified by AI for accuracy.Character Content Overhaul By removing AI-generated assets, all character-related content has been deleted.We are shifting our focus toward core gameplay rather than forcing character elements.The term "Narae’s Line" has been replaced with "Spiral Line" and "Spiral Tower."New Store Visuals We have redesigned the store capsule images and trailer video.These updates focus on representing the actual gameplay as honestly and transparently as possible.UI Improvements We have refined specific sections of the UI/UX flo…
- 1.010.01 Update Notes - 4 May 2026
As previously announced, we have released a minor update (v1.010.01) today.Title Illustration UpdatedThe title illustration has been modified to represent the game’s core mechanics more intuitively.Store Capsule Art UpdatedIn line with the new title illustration, most of the capsule images in the store have been updated.New Store Trailer AddedA "How-to" gameplay video has been added to the store page.Character Removal PreparationsCharacter dialogue within stages has been removed.Dialogue-based tutorials have been replaced with instructional guides.Certain reward screens and other visual elements have been updated.Gameplay ImprovementsThe quantity and spawn order of monsters in each stage have been adjusted to enhance the fun.The timing for acquiring each "Line" has been changed.UI & Other UpdatesInternal UI overhauls are currently in progress.Some of these changes will be reflected in t…
- User Feedback Results & May Update Schedule - 1 May 2026
\We have recently received various feedback regarding the game online. Thank you to everyone who has shown interest. Below, we have summarized the points that multiple users have pointed out:Dislike for AI-generated assets: Users do not want even a small amount of AI-generated assets included.Store page capsule illustration: The current illustration is considered poor.Game title illustration: The current illustration is considered poor.Store page trailer: The trailer does not effectively explain the game.UI issues: The UI is considered poor and complicated.Difficulty: The game is too easy, and the gameplay feels predictable.Early game engagement: Users do not see a reason to keep playing in the early stages.\We are looking for your opinions on the major revisions we plan to implement to address the points above in the May 11 update. Please leave your feedback in the comments of this pos…
- Demo Version Now Available! - 24 April 2026
Hello, this is S Creative Factory.After a long wait, we are thrilled to finally share some exciting news with you. Starting today, the demo version of Rainbow Tower DefenceWhat’s Included in the Demo:The first 10 stages of Zone 1.3 unique lines and towers featuring three distinct Liners.Growth systems for both towers and lines.We Want to Hear Your VoiceRainbow Tower Defence is still a project in active development. Your valuable feedback while playing will be the most important foundation for improving the quality of the final release.Support Our DevelopmentIf you enjoyed the game, please don’t forget to add it to your Wishlist and share your thoughts on the community hub! Even the smallest bit of participation gives our team immense strength.Regarding LocalizationTo bring our game to as many players as possible, we are currently utilizing AI translation. However, we are personally revi…
