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NINDO Guardian of the Starlit Shadow — patch notes and updates

NINDO Guardian of the Starlit Shadow Steam game key art
NINDO Guardian of the Starlit Shadow official Steam game artwork

Stored observation / content update:

Dated developer announcements recorded from Steam. Open the source for the complete update.

UpdateDateExcerpt / source
NINDO DAY - August Development Update2026-08-22Hello, I'm Morikichi, the developer of NINDO Guardian of the Starlit Shadow. This time, I'd like to share our development progress for August.August Development UpdateIn August, we added an Auto-Play Mode that lets NINDO play itself.The main purpose of this feature is to serve as groundwork for making balance-tuning ideas easier to come by. By letting the game rack up play counts automatically, we can gather far more play data than we could by hand, and use it to work more efficiently toward better balance.Future PlansAs a next step, we're building an internal system that can use the data gathered from Auto-Play to suggest balance adjustments
Ver.26.082026-08-22New: Auto Play Mode Enable Auto Play from the Settings menu and let the game handle your turns for you — battles, map route choices, shop purchases, rest decisions, treasure, and rewards are all played automatically. Toggle it on or off anytime; turning it off hands control back to you at the next decision point.
NINDO DAY - July Development Update2026-07-21Hello, I’m Morikichi, the developer of NINDO Guardian of the Starlit Shadow.This time, I’d like to share our development progress for July.July Development UpdateIn July, we worked on improvements to make NINDO easier to play and to make the characters’ appeal easier to feel during gameplay.First, each character now has their own unique skills. These skills allow players to use specialized effects that match each character’s playstyle, separate from deckbuilding itself.By adding ways to strengthen the character outside of deckbuilding, we aim to make the game more casual and approachable, especially for players who may not be used to card gam
Ver.26.072026-07-20Implemented unique skills for both SUZU and MUMYO. Removed the **Item** system, as it has been replaced by character-specific skills.
Ver.26.06.032026-06-27MUMYO now plays an idle animation while standing by. Starting Gold at the beginning of a run has been changed to 0. Gold can now be obtained from the starting reward at the beginning of a run. Card Adjustments Electromagnetic Barrier: Added the Manifest keyword. Calm: Added the Manifest keyword. Flash Step: Increased the Block value. Mind Over Flame: Changed the cost so it can now be played for 0 Energy. Gust: Changed the cost so it can now be played for 1 Energy & 1 Dragon Vein.
NINDO DAY - June Development Update and Future Plans2026-06-25Hello,I’m Morikichi, the developer of **NINDO - Guardian of the Starlit Shadow -**.This time, I’d like to share our development progress for June, as well as our plans going forward.## June Development UpdateIn June, we worked on expanding the main game’s content and improving usability based on feedback from players.On the content side, we added more equipment items that can drop from bosses.By increasing the variety of rewards players can obtain after defeating bosses, we hope to create more variation in each run and make build planning more enjoyable.On the usability side, we added features such as the ability to check the map from the hea
Ver.26.06.022026-06-22- A dialogue sequence now occurs at the start of a run. - Rewards such as cards and equipment can now be obtained at the start of a run.
Ver.26.06.012026-06-18Map Structure Adjustments In this update, we adjusted the map structure to improve the pacing of each run. Removed Event nodes from the map. Shortened the number of map layers. Adjusted each row of the map to contain 2–3 nodes. Due to the shorter map structure, the appearance rate of Shop nodes and Rest nodes has been reduced. Game Modes and Achievements Removed achievements related to discontinued game modes. MUMYO Card Adjustments and Fixes Hellfire: Fixed an issue with the card artwork display. Proclamation: Added an effect that deals damage. Embers: Changed the cost to require 1 Dragon Vein.
Ver.26.062026-06-17We have made balance adjustments to the MUMYO cards.
Ver.26.05.032026-06-07A button to view the map has been added to the header.
Ver.26.05.022026-06-04- When receiving combat rewards, the rewards will now be stacked from top to bottom. - Cards in your hand or deck can now be enlarged by right-clicking them.
Ver.26.05.012026-05-29- Added 10 new pieces of equipment derived from bosses. - Changed the boss drop equipment reward system to a 3-choice reward system.
NINDO DAY - May Progress Update and Future Development Plans2026-05-20Hello, I’m Morikichi, the developer of NINDO - Guardian of the Starlit Shadow -.This time, I’d like to share a brief update on our progress in May and our plans going forward.Progress in MayIn May, we focused on creating card artwork for the second protagonist, MUMYO, and have brought him closer to a state where he can be played with a similar level of depth as SUZU.MUMYO is a character built around unique mechanics such as Dragon Vein, Wrathscale, and Violet Lightning. With more card artwork now in place, players can better experience not only his card effects, but also the atmosphere and identity of his fighting style.We also worked on impr
Ver.26.052026-05-18Added a Quit button. Updated the visual design of buttons on the Settings screen and the Battle Results screen.
Ver.26.04.042026-05-13Added cursor feedback when clicking. Improved usability for cards that let you select cards from your deck. Reduced the game’s file size.
Ver.26.04.032026-05-11Tooltips are now shown for effects on cards in your hand. Tooltips are now shown for enemy intent icons. Tooltips are now less likely to go off-screen. Mission Levels now progress for MUMYO. Clearing MUMYO’s Mission Levels now unlocks the corresponding achievements.
Ver.26.04.022026-05-08The artwork for the Ignorance card will be applied to all 75 cards.
Ver.26.04.012026-04-30Updated some of MUMYO’s card artwork. Added effect animations when playing cards.
NINDO DAY - April Progress Update and What’s Next2026-04-20Hello, I’m Morikichi, the developer of NINDO - Guardian of the Starlit Shadow -.Here’s a short update on our March–April progress and what’s next.March–April ProgressDuring this period, I focused on shaping the gameplay of the second protagonist, MUMYO, and expanded his card pool to 75 cards. MUMYO builds up Dragon Vein stacks as he fights, with two main damage themes: Wrath Scale (explosive burst damage) and Violet Lightning (steady, scaling damage over time).Alongside this, I’ve added more card-game mechanics built around moving cards between the deck and discard pile, as well as exhausting cards, to deepen decision-making and play patterns
Ver.26.042026-04-20When a card’s cost is reduced to 0, MUMYO’s Dragon Vein requirement cost is now also reduced to 0. Updated MUMYO on the Character Select screen from a 2D illustration to a 3D model. Updated some of MUMYO’s card artwork.
Ver.26.03.062026-04-16MUMYO is now playable up to Chapter 3.
Ver.26.03.05-b2026-04-13This update resolves abnormal card behavior caused by inconsistencies in the card's internal data structure.
Ver.26.03.052026-04-13Up to 75 types of MUMYO cards added.
Ver.26.03.042026-03-30Expanded MUMYO’s card pool to 40 cards.
Ver.26.03.032026-03-25Added rarities to Equipment, and adjusted appearance rates based on rarity. Added new Violet Lightning–themed cards for MUMYO. Added new Equipment that automatically upgrades cards when you acquire Martial, Ninjutsu, or Tactics cards. Implemented a stability fix for an issue where, after the “inventory full” message prevented you from obtaining an item, using an item could sometimes block further progression. Reworked card hover behavior to reduce cases where the hover animation could shake/jitter excessively when moving the mouse over a card.
Ver.26.03.022026-03-21Spirit-related stat modifiers are now reflected in the values shown in card effect descriptions. Replaced MUMYO’s card artwork with simpler test images.
🌕NINDO DAY – March 20262026-03-20Hello everyone, This is Morikichi, developer of NINDO - Guardian of the Starlit Shadow -.In this update, I’d like to share what was improved through March and what I plan to focus on from April onward.Progress Through MarchBased on feedback from playtesting, I spent March improving controls and the clarity of in-game information. The goal was to make the experience easier to read and more comfortable to play.To strengthen NINDO’s unique atmosphere, I also added cut-in animations and voiced dialogue moments for characters. These additions are meant to support the game’s presentation without disrupting the core flow of play.On the gameplay side
Ver.26.03.012026-03-20Card Balance Updates Focus: Adjusted the Spirit cost when upgraded to 15 → 20. Surprise Strike: Changed to 1 Energy. Damage is now 9 / 12. Hardening: Changed to 3 Energy. Block is now 12 / 16. Lightning Slash: Changed to 1 Energy. Damage is now 16 / 20. Elbow Smash: Damage is now 12 / 18. Ready to Clash: Spirit cost is now 20 / 20. Kamaitachi: Changed to 0 Energy and 15 Spirit. Swift Step: Changed to 0 Energy and 30 Spirit. Lightning Drop: Damage is now 35 / 45. Awakening: Spirit cost is now 25 / 25. Energy gained is now 2 / 3. Unwavering Resolve: Energy cost is now 1 / 1. Strength gained is now 3 / 4. Divine Stance: Energy cost is now 1 / 1.
Ver.26.032026-03-16Cards that consume Spirit can now display their cost using an icon in the top-left corner of the card. You can now try the in-development character MUMYO from the Character Select screen. To support this early MUMYO preview, we’ve included a variety of improvements and adjustments throughout the game.
Ver.26.02.132026-03-11For cards that consume spirit, the cost is now displayed as an icon in the upper left corner of the card.