A number game in Crux # Line Sums > Line Sums is a number game in Crux, free on iPhone and iPad with no ads. Keep or cross out numbers so every row and column adds up to its target. One board a day, solved by deduction. Crossing out numbers until every line adds up. Get Crux Free on iPhone and iPad. No ads. ## How to play Line Sums Keep or cross out numbers so every row and column adds up to its target. One board a day, solved by deduction. ## How it fits your day One Line Sums puzzle a day, the same for every player. Line Sums is one of a ton of games in Crux, with a new set of daily puzzles every day, no ads and nothing you have to buy to play. Your streak grows each day you play, and you can compare results with friends (friends are off under 13). Crux has a No Wifi section with practice rounds you can play offline; the daily games download each day's puzzle when you are online. ## Who it suits It suits people who like numbers and quick mental arithmetic. ## About Crux Crux is a free iPhone and iPad app from Pizzart Pte. Ltd. with a ton of daily word, logic, number, geography, trivia, colour and arcade games, and no ads. Every game is free to play and none needs a purchase: some open after a few days of play, or sooner with coins you earn by playing. Optional Crux Plus costs $4.99 a month or $39.99 a year in the US. [The facts](https://crux.quest/ai) · [Questions](https://crux.quest/faq) · [What no ads means](https://crux.quest/no-ads) ## More games like Line Sums - [Drop Merge](https://crux.quest/games/drop-merge/) - [Chain Sum](https://crux.quest/games/chain-sum/) - [Equation](https://crux.quest/games/equation/) - [Number Match](https://crux.quest/games/number-match/) - [Reckoner](https://crux.quest/games/reckoner/) - [Number Merge](https://crux.quest/games/number-merge/) [See all games](https://crux.quest/games/)