FULL GUIDE WITH SCREENSHOTS: https://www.petrrezek.net/en/garmin/regna/#guide ONLINE LEADERBOARD: https://leaderboard.petrrezek.net/en/regna A Star Battle brain game for your wrist. Regna is a logic puzzle for your wrist: one crown in every row, every column and every coloured kingdom, and no two crowns may touch, not even at a corner. Unite the petty kingdoms: every kingdom gets exactly one king, and neighbouring kings must never meet. Every puzzle has exactly one solution and can be solved by pure logic, no guessing. When you get stuck, the hint shows the next logical step and says why. FREE - The Courtyard: 5 guided puzzles that teach you the rules - Today's puzzle: a new 6x6 every day, keep your streak going, and a special puzzle every Sunday - One hint a day REGNA+ (one-time 2.99 USD, no subscription, no account) - Road to the Throne: 280 more puzzles in five regions, all the way to the 10x10 Throne - Royal trials: 28 of the hardest puzzles, played without hints. A new one opens after every ten puzzles you solve in a region - Coronation: a region beyond the Throne with 30 puzzles on 10x10 and two crowns in every row, column and kingdom - Castles: side regions along the road, each with a custom of its own. The first one, the Round Table, has 40 round boards without corner cells - Today's challenge: a harder 9x9 every day, with walls, snakes or a royal trial on some days - Unlimited hints SPECIAL PUZZLES - Walls: stone squares where no crown may stand - Snakes: long winding kingdoms - Two crowns: every row, column and kingdom holds two Buy it right on the watch: press START on a locked region, open kzl.io/code on your phone and enter the code from the watch. REGNA+ unlocks within a minute and stays unlocked offline. Payments are handled by KiezelPay. ONLINE LEADERBOARDS - Compare your times with other players: Today's puzzle, Today's challenge, every puzzle of the regions and whole regions - Your place right after a win; the leaderboards on the watch and on the web - Only your nickname and time are sent; pick a nickname right on the watch or turn it off in Settings ALSO - Play by touch (tap, hold for a crown, drag to cross out) or with the buttons - Auto dots mark the cells a crown already rules out (can be turned off) - The rules are always at hand on the home screen and in the game menu - Your progress is saved after every move - 19 languages

1.4.1 - 2026-10-01 - Results sent to the online leaderboards now carry a few anonymous game statistics (progress, streak, hints used, REGNA+). They help to tune the puzzles. Turn the leaderboard off in Settings and the watch sends nothing. 1.4.0 - 2026-10-01 - NEW: Castles, side regions along the Road to the Throne, each with a custom of its own. A small castle on the map marks the region it belongs to, and Castles at the bottom of the map opens their own menu. - The first castle, the Round Table (REGNA+): 40 round boards (8x8 and 10x10) without corner cells, with bigger cells than anywhere else. It opens once you unite the Valley and has its own leaderboards. - The home screen shows the app version in small print. 1.3.1 - 2026-09-26 - Buying REGNA+: if the code can't be fetched, the watch now says there is no phone connection and shows an error code instead of waiting forever. Watch apps reach the internet only through the Garmin Connect app on your phone, so keep it running while you buy. - On small displays such as the fēnix 6S Pro, the line under the payment code no longer runs off the edges. 1.3.0 - 2026-09-26 - NEW: online leaderboards. Compare your times with other players on Today's puzzle, Today's challenge, every puzzle of the regions and whole regions. After a win you see your place. The leaderboards are on the watch under Leaderboard and on the web: https://leaderboard.petrrezek.net/en/regna - Only your first solve counts, and only your nickname and time are sent. Pick a nickname right on the watch in Settings, where you can also turn the leaderboard off. 1.2.1 - 2026-09-19 - Clearer names: the puzzle packs are now regions on the Road to the Throne. Solve every puzzle of a region to unite it, unite all six and the whole realm is united. 1.2.0 - 2026-09-18 - Special puzzles: walls where no crown may stand, long winding snake kingdoms, and royal trials, the hardest puzzles of each region, played without hints and rewarded with a seal. - A new region beyond the Throne: Coronation, 30 puzzles on 10x10 with two crowns in every row, column and kingdom. It opens once you take the Throne. - Today's puzzle stays free and brings a special every Sunday. With REGNA+, Today's challenge has walls on Tuesday, snakes on Thursday, both on Saturday and a royal trial on Sunday. - Uniting a region is celebrated: its shield turns gold, the Road to the Throne shows how far you are in each region, and the last region ends with a finale. - The rules are always at hand on the home screen and in the game menu. Bigger hint text. Tapping a row that is not highlighted now opens the one you tapped. - 12 more languages, 19 in total: Dutch, Finnish, Croatian, Hungarian, Norwegian, Portuguese, Romanian, Russian, Slovak, Slovenian, Swedish and Ukrainian. 1.1.0 - 2026-09-16 - Regna now speaks German, French, Spanish, Italian and Polish as well as Czech and English - the whole game, including the region names and the hints.