Illegal Shogi
Break the rules of shogi
Free · Designed for iPad. Not verified for macOS.
"If only I could drop one more pawn here…" "If only I had a rook right there…" Your wish is granted! Illegal Shogi turns forbidden moves into trump cards — and it's free!
Have you ever been in the middle of a shogi game and thought...
"If only I could drop one more pawn on this file..."
"If only I could put a rook right there, I'd turn this game around..."
"I just want to grab that piece right now!"
But rules are rules. Until now!
Answering every player's wish for "just one more move," we proudly present Illegal Shogi — shogi (Japanese chess) with "violation skills" that let you break the rules for a move!
- 11 violation skills, all included!
* Double Pawn — drop a second pawn on the same file!
* Phantom Drop — no piece in hand? Drop one anyway!
* Stack Drop — land on your opponent's piece and it's yours!
* Move Rival Piece — their piece, your move!
* Double Move — cut into your opponent's turn and move again!
* Extra Reach — reach one square farther than usual!
Plus: Capture Own Piece, Free Promotion, Stranded Piece, Pawn Drop Mate and Ignore Check!
Using a skill is easy: just press and hold it.
- Don't worry, it's still a fair fight
No skill can ever capture a king.
Each skill has a limited number of uses per game and a recharge time, so every game stays a battle of wits to the very end.
- But wait, there's more!
* Four CPU levels, from Beginner to Hard — and the CPU uses violation skills too!
* Two players can face off on a single device
* Pick which violation skills to play with before each match, from one to all of them
* Adjust uses per game, how long a skill lasts and its recharge time
* Five time controls, for slow thinkers and speed players alike
* Mix and match 3 boards and 3 piece sets
* Supports the entering-king declaration (27-point rule)
* Play regular shogi without violation skills against the CPU
* No connection needed — play offline anytime
And the price for all this? Absolutely free!
Go ahead — flip the board with forbidden moves.
Break the rules.
Ratings & Reviews
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The developer, yuuta kitani, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
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Information
- Seller
- yuuta kitani
- Size
- 81.6 MB
- Category
- Board
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2026 xt3362
