한 번만 : 성냥개비 두뇌 퍼즐

Name: 한 번만 : 성냥개비 두뇌 퍼즐
Author: JC Softworks

Android app by JC Softworks. Puzzle · JC Softworks

Store rating: Unknown
Store rating count: Unknown
Download price: Free to download
In-app purchases: Not listed in captured metadata
Version: 1.0.1
Listing last refreshed: 2026-09-16

Store description excerpt

"I only need to move one, but I can't see it." "Just Once" is a brain puzzle where you transform an incorrect equation made of matchsticks into a correct one by moving just a single matchstick. The rules couldn't be simpler, but once you actually play it, you'll find yourself surprisingly using your brain. ■ How to Play · The incorrect equation appears on the screen as a matchstick. (e.g., 5+3=9) · Tap a matchstick to select it, and tap an empty spot to move it. · Move just one matchstick to make the equation correct—that's the answer! · It takes as little as 10 seconds, but difficult problems require a change of perspective. ■ Difficulty Divided by Digit · Easy — Single digit (5+3=9) · Medium — Two digits (12+34=46) · Hard — Three digits (128+45=173) · Total of 125 stages; once you clear them all, you can start over from the beginning. ■ Check Your Skills with IQ · Start with an IQ of 50, increasing as you solve problems. Easy +1, Normal +3, Hard +5. · If you look at a hint, that round is worth 0 points; if you get it wrong, 1 point is deducted. The cleaner you solve problems, the faster your IQ rises. · Getting the correct answer increases your IQ and provides a satisfying tactile experience. ■ No Ad Stress · There are no full-screen ads that block the view, nor are there any video ads you are forced to watch just to see hints. · Just a single banner at the very bottom of the screen. It does not interrupt the flow of the game. ■ Good for: · Those who want to play a round or two without pressure during their commute or breaks · Those looking for a brain-teasing game without ads · Those who enjoy matchstick puzzles, brain training, and logic puzzles ■ Use with Confidence · No login or registration required; start immediately upon installation · Progress and IQ are stored only on the device and are not transmitted to a server. Numbers are based on the shape of a calculator (digital clock), and for 6 and 9, both the top and bottom bars must be present to be recognized as the correct answer (in-game help provided). Turn a brief spare moment into a brain workout.

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