About
A single-player logic puzzle game played on concentric rings. Place numbers so each radial line adds up to the same target, using pure logic to find the single solution. Offers multiple board modes and difficulties, with a daily puzzle feature.
What's New in Endoku
1.5
October 17, 2026
• New puzzles are ready much faster • You're asked before New Game or a mode/difficulty change discards a puzzle in progress • Reopening today's Daily while you're playing it now continues where you left off • Lines that can no longer work are flagged more accurately as you type • "Hard" now always has fewer clues than "Medium" • Bug fixes
MoreSubscriptions & In-App Purchases
Free
Unlock Everything
All modes, daily puzzles, guides & music.
Developer apps
FAQ
What is Endoku?
Endoku is a single-player logic puzzle game played on concentric rings. The goal is to place numbers so that each radial line adds up to the same target number, with each ring using its set of numbers exactly once.
How do you play Endoku?
You place numbers on the board according to two rules: each ring uses its set of numbers once, and cells along each radial line must sum to the same target. Pure logic is used to find the single solution.
Is Endoku free to play?
The Intro and Basic board modes with Easy and Medium difficulties are free. A one-time purchase unlocks all modes, difficulties, daily puzzles, the strategy guide, and music & sound.
Does Endoku have ads?
No, Endoku does not have annoying ads. The description explicitly states 'No annoying ads, no data collection.'
What devices does Endoku support?
Based on the provided data, Endoku currently supports iPhones. It is available in portrait and landscape orientations.
How often is Endoku updated?
The latest version is 1.5, released on October 17, 2026. This suggests a relatively active development cycle, with updates potentially occurring every few months.
What is the age rating for Endoku?
Endoku has an age rating of 4+, making it suitable for young players and families. The gameplay focuses on logic and number placement.
Can I play Endoku offline?
The description focuses on single-player logic and doesn't mention online requirements. It's likely playable offline, especially the core puzzle modes.
