- Ver.2.2.0 Open Beta Update — Relic Area Changes and Expanded Spell Upgrades - 3 October 2026
Hello, everyone! I'm Onidora from StudioActOne. Thank you as always for playing Code Reactors. The Ver.2.2.0 open beta is now live! This update changes how you obtain Relics and increases the maximum number of Upgrades a single Spell can have. We've also added new Relics, adjusted rewards and difficulty, and fixed a bug. Update Details Relic Area Changes Relic areas now feature two Relics. One is a reward for defeating enemies: its chest unlocks once you've defeated a certain number of enemies during exploration. The enemies you defeat along the way now bring you closer to another Relic. As part of this change, the fixed Relic placements on floors 5 and 10 have been removed. Expanded Spell Upgrades A single Spell can now have up to three Upgrades. At Rest Points, you can select a Spell that has already been upgraded if it can still receive another Upgrade. New Relics We've added new Rel…
- Ver.2.1.0 Open Beta Update — New Spell Upgrades and Reworked Shields - 22 August 2026
Hello, everyone! I'm Onidora from StudioActOne. Thank you as always for playing Code Reactors. The Ver.2.1.0 open beta is now live. This update adds new Spell Upgrades and reworks how Shields function, along with adjustments to enemy placement, enemy behavior, and in-game displays. Update Details New Spell Upgrades: "Echo" and "Foresight" Two new Spell Upgrades have been added: "Echo" and "Foresight." A Spell with "Echo" fires one additional time when used. A Spell with "Foresight" creates a Parry window and grants invincibility when used. It opens up a new option: deflecting enemy attacks while you keep attacking. Shield Changes The cap on Shields gained from Spells and Relics has been removed. In exchange, reloading your Deck now clears all Shields you're holding. You can stack Shields freely within a single reload cycle, which makes the timing of your Reload more important than ever.…
- Ver.2.0.0 Open Beta Is Live! Spell Upgrades and the New “Limit Break” Difficulty - 5 August 2026
Hello, everyone! I'm Onidora from StudioActOne. Thank you as always for playing Code Reactors. The open beta for the upcoming major Ver.2.0.0 update is now live. The pre-release build is available to everyone on Steam. This update introduces a new system for upgrading Spells even further, as well as a new higher difficulty for players who want to keep challenging themselves after clearing the game. We've also added new enemies, revamped Rest Points, improved combat actions and camera behavior, and made many other adjustments to both exploration and combat. Update Details New System: Spell Upgrades During exploration, you can now obtain Spells with special Upgrades. Available Upgrades include Power Boost, Ailment Boost, Shield Gain, Charge, Cost Reduction, and Life Steal. If you clear the stage and return to Base, these Spells retain their Upgrades and can be used during your next explor…
- Update Ver.1.5.0 - 6 March 2026
Hello everyone! This is Onidora from StudioActOne. Thank you for playing Code Reactors. Today, we have released a new update! This update introduces new events to deepen your exploration and a new action to enhance the overall sense of speed. Update Details * Added New Relics and Updated Acquisition Method New Relics obtainable from NPCs during exploration have been added. Additionally, you can now choose one of three Relics when receiving them, allowing for more strategic build planning. * Added New Event: "Altar of the Evil God" Powerful but risky Relics with negative side effects have been introduced. Experience high-risk, high-reward gameplay! * Added New Action: "Sprint" By holding the Dodge button after a dodge, you can now perform a "Sprint" for fast movement. This improvement aims to make exploration smoother and more dynamic. We will continue to improve the game based on your f…
- Update Ver.1.4.1 - 11 January 2026
Hello everyone! This is Onidora from StudioActOne. Thank you for playing Code Reactors. Today, we have released Update Ver.1.4.1. Ver.1.4.1* Added and adjusted stage patterns * Adjusted enemy placement to be more random * Fixed an issue where Gold Orbs could be destroyed unintentionally easily We will continue to improve the game based on your feedback. If you have any concerns or suggestions, please share them on the Steam Community or our Fan Server. Thank you for your continued support of Code Reactors!
- Update Ver.1.4.0 - 21 December 2025
Hello everyone! This is Onidora from StudioActOne. Thank you for playing Code Reactors. Today, we have released Update Ver.1.4.0. Ver.1.4.0 Adjustments to stage structure and object placement Added new settings options (Frame Rate, UI Display, etc.) Fixed flickering issues with certain effects Added new Relics We will continue to improve the game based on your feedback. If you have any concerns or suggestions, please share them on the Steam Community. Thank you for your continued support of Code Reactors!
- Update Ver.1.3.0 - 13 November 2025
Hello everyone! This is Onidora from StudioActOne. Thank you for playing Code Reactors. Today, we have released Update Ver.1.3.0. Ver.1.3.0 Content Additions ・Added 5 new lightning-element spells Adjustments ・Enemies that previously shared the same appearance but had different behaviors now have distinct skins to help tell them apart ・Increased the critical hit bonus damage for the spell "Railgun" ・Adjusted hit effects for certain spells Bug Fixes ・Fixed a bug where Himari's wind-element trance could cause her altitude to increase indefinitely with certain actions ・Fixed an issue where sound effects could sometimes play at extremely high volume We will continue to improve the game based on your feedback. If you have any concerns or suggestions, please share them on the Steam Community. Thank you for your continued support of Code Reactors!
- Update Ver.1.2.3 - 19 September 2025
Hello everyone! This is Onidora from StudioActOne. Thank you for playing Code Reactors. Today, we have released Update Ver.1.2.3. Ver.1.2.3 Adjustment Overview This update includes adjustments aimed at improving the randomness of stage layouts and the usability of magic. By reducing magic reload times and related tweaks, players can now enjoy smoother and more responsive spellcasting. Enemy HP values have also been adjusted accordingly for better balance. Key Changes ・Adjusted the behavior of natural spell reload ・Slightly increased natural MP regeneration speed ・Added new stage patterns to enhance exploration variety ・Made enemy placements along the path more randomized ・Increased HP for some late-game bosses We will continue to improve the game based on your feedback. If you have any concerns or suggestions, please share them on the Steam Community. Thank you for your continued suppor…
- Streaming Guidelines & Update Ver.1.2.2 - 28 June 2025
Hello everyone! This is Onidora from StudioActOne. Thank you for playing Code Reactors. Today, we have released Update Ver.1.2.2. Ver.1.2.2 Visuals & UI Updated some still images Added supplementary images to certain tutorials to improve clarity Streaming Guidelines We welcome gameplay streams and video content of Code Reactors, whether by individuals or organizations. Monetization is also allowed. Your support through sharing the game means a lot to our development team! We will continue to improve the game based on your feedback. If you have any concerns or suggestions, please share them on the Steam Community. Thank you for your continued support of Code Reactors!
- Update Ver.1.2.1 - 23 June 2025
Hello everyone! This is Onidora from StudioActOne. Thank you for playing Code Reactors. Today, we have released Update Ver.1.2.1. Ver.1.2.1 Adjustments ・Increased the variety of terrain patterns generated in maze areas ・Placed objects that fully restore HP in event areas such as shops Bug Fixes ・Fixed an issue where certain characters would not display properly on the HUD ・Fixed an issue where the projection lines for the Lighthouse Demon’s attacks were not appearing ・Fixed an issue where some enemies could not climb sloped terrain ・Fixed a bug where starting from the boss room in Mana Forest could cause the stage to fail to generate We will continue to improve the game based on your feedback. If you have any concerns or suggestions, please share them on the Steam Community. Thank you for your continued support of Code Reactors!
- Update Ver.1.2.0 - 1 June 2025
Hello everyone! This is Onidora from StudioActOne. Thank you for playing Code Reactors. Today, we have released Update Ver.1.2.0. Ver.1.2.0 Adjustments ・Adjusted the behavior of some bosses' minion summoning ・Zoomed the camera out slightly when engaging with enemies ・Adjusted parry effects and performance └ Enemies that are parried will now take guaranteed critical hits └ Projectiles will be reflected when parried ・Mana Forest: initial exploration now ends at 10F ・Adjusted stick input threshold for left/right movement ・Enemy patterns in forced battles are now selected more randomly ・Improved UI to make it clearer when the first spell in your deck is usable ・Adjusted the following spells: lowered base damage but increased damage scaling with spell boosts └ Mana Comet └ Prominence Assault └ Lightning Assault └ Ice Crusher ・Increased base damage for the following spell └ Whirlwind Blade Co…
- Update Ver.1.1.3 - 19 April 2025
Hello everyone! This is Onidora from StudioActOne. Thank you for playing Code Reactors. Today, we have released Update Ver.1.1.3. Ver.1.1.3 Adjustments & Bug Fixes Adjusted certain dagger and brooch-type relics to be drawn based on the current deck composition Shocked enemies now take increased Critical Damage Fixed a bug where certain enemies' beam attacks were not functioning correctly Adjusted some enemies so they no longer fire ranged attacks directly behind them We will continue to improve the game based on your feedback. If you have any concerns or suggestions, please share them on the Steam Community. Thank you for your continued support of Code Reactors!
- Demo Version 2.0.0 Released! - 16 March 2025
Hello everyone! This is Onidora from StudioActOne. We’re excited to announce that the demo version 2.0.0 of Code Reactors is now available! In this new demo, you can experience the opening part of the main story. With our unique "Card × Roguelite × Action" system, you'll enjoy a variety of card-based actions and thrilling battles. If you’re a fan of roguelites or action games, or even just a little curious, we hope you’ll give it a try! We’ll continue working to make Code Reactors even better based on your feedback, so we’d love to hear your thoughts and impressions. Thank you for your continued support, and we hope you enjoy Code Reactors!
- Update Ver.1.1.0 - 1 March 2025
Hello everyone! This is Onidora from StudioActOne. Thank you for playing Code Reactors. Today, we have released Update Ver.1.1.0. Ver.1.1.0 Addition of new spells Shooting Star Meteor Shower Triple Lightning Combustion Frost Wave Hoarfrost Wave Adjustments Changed so that spell attacks cannot be queued when MP is insufficient. Increased the power of the spells "Magic Missile" and "Triple Missile." Bug Fixes修正 Fixed an issue where closing the item detail screen in the shop with the menu button would cause the UI to display incorrectly the next time it was opened. Fixed an issue where some spells did not have their attributes set correctly. We will continue to improve the game based on your feedback. If you have any concerns or suggestions, please share them on the Steam Community. Thank you for your continued support of Code Reactors!
- Update Ver.1.0.3 - 22 February 2025
Hello everyone! This is Onidora from StudioActOne. Thank you for playing Code Reactors. Today, we have released Update Ver.1.0.3, which includes bug fixes. Ver.1.0.3 Bug Fixes Fixed an issue where certain bosses could leave the battle area under specific conditions. Fixed an issue where the relic "Fortress Ring" did not activate its effect even when damage was blocked by a shield. Fixed an issue in the starter relic equipment screen where swapping relics was not possible despite not reaching the equip limit. We will continue to improve the game based on your feedback. If you have any concerns or suggestions, please share them on the Steam Community. Thank you for your continued support of Code Reactors!
- Update Ver. 1.0.2 - 20 February 2025
Hello everyone, This is Onidora from StudioActOne. Thank you for playing Code Reactors. Today, we have released Ver.1.0.2, which includes bug fixes and game balance adjustments. Ver.1.0.2 Bug Fixes Fixed an issue where the effect of the relic "Broach of Dawn" did not activate upon reload completion. Fixed an issue where the power boost effect of the spell "Triple Missile" was not working correctly. Fixed an issue where the attack sound effect of the boss "Iron Arbitrator" would continue to play after a game over during the battle. Implemented a temporary fix for an issue where the event might not progress after defeating the boss "Iron Arbitrator." This issue is still under investigation and may occur again. If you encounter this problem, please share your experience on the Steam Community. Adjustments Adjusted some enemy projectiles so they no longer pass through walls. Adjusted boss A…
- Update Ver. 1.0.1 - 18 February 2025
Hello everyone! This is Onidora from StudioActOne. Thank you for playing Code Reactors! Today, we have released Ver. 1.0.1. This update includes bug fixes and game balance adjustments. Ver. 1.0.1 Bug Fixes UI: Fixed an issue where chain numbers would be cut off when exceeding three digits. Opening Guide Adjustment: Clarified the "Recall" action guide by specifying that it requires a long press. Fixed an issue with stage generation in the first lighthouse. Fixed a bug where players could not return to the home base from the menu in areas with a Return Mana Stone. Fixed an issue on Steam Deck where the language could not be changed from the title screen. Adjustments Reduced the cost required for upgrades. Adjusted the selling price of certain relics. Beginner Difficulty: Lowered enemy HP. Standard Difficulty: Reduced player damage taken. Reduced player stagger time after taking damage (im…
- Roadmap after launch - 12 February 2025
Hello. The day of the release of 'Code Reactors' has finally arrived. The game is scheduled to go on sale in the evening (around PT 0:00 am) in Japanese time. We apologize for the delay, but we will continue to make adjustments right up until the very last minute, so we would appreciate your patience. There are plans for updates to 'Code Reactors' even after the game is launched. Although it is only a tentative plan, at the moment we have a roadmap up to February next year, and we will continue to work on enriching the content so that you can enjoy the game even after you have cleared it by starting up the game again and again, so please look forward to future developments! Update Roadmap (tentative) Updates as needed: ・Addition of spells and relics and balance adjustments ・Tutorial-related brush-ups ・Implementation of NPCs for crowdfunding supporters ・Added variations to events that oc…
- Steam Deck support info - 3 February 2025
Hello. It is now February and we are in the countdown to the launch of the game. We are in the midst of test playing and fixing bugs, and will continue to make adjustments until the very last minute before the release. Now, We would like to inform you about Steam Deck support. "Code Reactors” is, of course, Steam Deck compatible. We are not sure if we can endorse the game as Steam Deck verified (confirmed by Deck), but we have the support that it deserves, so you can play the game with confidence. Controller support Operation corresponds to the levers and buttons on the Deck itself, and also corresponds to the button notation on the screen. Display Supports 1280x800 resolution for the Steam Deck screen, which is automatically set when launching a game on the Steam Deck. System Support We have confirmed that Steam Deck runs without problems on the latest firmware. If there are any specif…
- Build review passed! - 22 January 2025
Hello, We are pleased to announce that the build of “Code Reactors” has passed the Steam review and that the game will be released on February 13th. We will continue to make adjustments to the game until the very last minute to ensure that it is as complete as possible. Please look forward to it! :D
