About Ringsum
Ringsum is a relaxing number puzzle. Circle the numbers so every row, column and colored region adds up to its clue. Every puzzle has exactly one solution. Hundreds of levels on five difficulty ladders, daily and hard daily puzzles, Rush, Zen mode, hints, design-your-own puzzles, and friend races. Free on Android, developed by Duvie's games, Joseph Klein. Google Play: https://play.google.com/store/apps/details?id=com.duvy.ringsum