# Decimo: Number Chain — 145 levels across 15 worlds > 145 levels across 15 worlds (iPhone/iPad app by UFUK CELIKELOGLU.) - Source: https://appshunter.io/ios/app/decimo-number-chain/id6792291932 (this page in markdown: same URL + `.md`) - Developer: [UFUK CELIKELOGLU](https://appshunter.io/developer/1879703958) - Category: Games, Casual, Puzzle - Price: Free - Age rating: 4+ - Requires: iOS 15.0 · 115 MB - Languages: American English, French (France), German (Germany), Hindi, Indonesian, Italian, Japanese, Korean, European Portuguese, Russian and 2 more - Released: 2026-08-18 - Data updated: 2026-09-14 - User reviews in markdown: https://appshunter.io/ios/app/decimo-number-chain/id6792291932/reviews.md ## What is Decimo? Decimo is a number-chain puzzle that starts with one simple rule and keeps getting deeper: link adjacent cells to build chains of numbers. The longer the chain, the bigger the score. Easy to learn, hard to master. BUILD CHAINS, MAKE THEM POP Drag your finger to connect numbers in ascending, descending, odd, even, or free order. Long chains trigger screen-shaking pops and combo bonuses. 15 WORLDS, 145 LEVELS From exploration forests to ocean depths, volcanoes, a black hole, dreamscapes and beyond time: every world has its own rule and mood. New mechanics are taught step by step, and the Endless Zone awaits when the levels run out. SIGNATURE MECHANICS - Rising Lava: clear downward or get buried. - Creeping Dark: darkness descends from the top, relight it with chains. - Fixed Board: no refill, plan every move. - Boss Fights: hit the exact target sum for double damage. - Ice, stone, bombs, portals, multipliers, and more. 7 POWER-UPS Hint, undo, bomb, shuffle, extra moves, joker, and double score to get you out of a jam. FEATURES - Three independent stars on every level, plus prestige stars - Daily challenges and streak bonuses - Cloud save across devices (optional sign-in) - Dark theme, colorblind mode, haptics and sensitivity settings - Interface in 12 languages Download, build your first chain, and feel the "just one more" pull. Decimo is waiting. ## Version history (last 5 releases) ### 1.0.20 — 2026-09-13 A faster start: the game now opens straight onto the board, with no screen in between. The first levels explain the rule themselves: two numbers you join no longer go to waste, the tiles you can continue to light up. Four of the first five levels have been rebuilt, and the Blind Tile explains itself the first time you meet it. Plus bug fixes. ### 1.0.17 — 2026-09-04 The first levels are no longer the same level. The last tile of a long chain turns into a rainbow and stands in for the number you are missing. Golden tiles, stone and a board that drains moved into the early levels. Each level now asks for something different, not always "reach this score". Stars are earned by playing, not by leftover moves. Levels that shared a board have been rebuilt. ### 1.0.16 — 2026-08-29 Lives now start at level 20, so the first 19 cost you none. Refilling lives is paid in coins, and you can turn gems into coins. New power-ups are announced when they unlock. Seven of the tightest levels get one more move, and some levels now ask for longer chains. Hold the app icon to continue where you left off or open the daily gift. ### 1.0.15 — 2026-08-21 Fixed the bug where a sound effect permanently muted the music. Account deletion is now a clearly labelled row in the profile, under Account. Chains no longer break when you drag quickly, and stars are easier to earn in the first world. ### 1.0.12 — 2026-08-18 No release notes. ## More apps by UFUK CELIKELOGLU - [Fit Dozi](https://appshunter.io/ios/app/fit-dozi/id6762354057) All apps by UFUK CELIKELOGLU: https://appshunter.io/developer/1879703958 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-14.*