SUMSA is that deduction game that will make your brain sizzle (in a good way!) in quick and intense two-player matches. If you love a logical challenge and the feeling of unraveling a mystery, this is a perfect fit. The limitation of questions by cards adds a super interesting strategic layer, turning each play into a small puzzle to be solved. It's a game that shines with its elegant simplicity and total focus on player intelligence.
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Highlights
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Pure and addictive deduction
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Quick and intense matches
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Engaging logical challenge
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Strategic question choice
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Perfect for two players
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Keep in mind
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Requires abstract reasoning
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Not for those who dislike numbers
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Might be repetitive for some
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About the game
What you do in a play session
Get ready for a battle of wits in SUMSA, an intriguing logic puzzle where your goal is to uncover hidden numbers! In this two-player game, the mission is to be the first to correctly guess four out of ten mysterious numbers. But don't think it'll be easy, my friend! The big twist here is that you can't just ask any question that comes to mind. Your investigations are limited and controlled by question cards, which adds a delightful strategic layer. Each question needs to be carefully considered, as you'll have to use the sum and difference of numbers to deduce the correct values. It's a true test of reasoning and deduction, where every move counts. If you enjoy a cerebral challenge and the satisfaction of solving a riddle, SUMSA promises to be an electrifying addition to your collection. Think fast, ask wisely, and outwit your opponent in this numerical showdown!
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Box and component photos
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Best player count
BGG community vote
Duel · 2 players
2
OK
BestRecommendedWorks
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Soundtrack
Ambience suggested by Melodice
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Where to Buy
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Admin: Upcoming ReleasesPlayers: Two-Player Only Games
businessPublisherLotus boardgames
editDesignerShota Hasuike
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Community
Data from BoardGameGeek
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Frequently Asked Questions
Quick answers before you buy
6 questions
How many players is SUMSA designed for? expand_more
SUMSA is an exclusive two-player game, perfect for mind duels and more intimate gaming sessions.
What is the average playtime for a game of SUMSA? expand_more
SUMSA games are quite fast, usually lasting between 20 to 30 minutes. Ideal for a quick game or several consecutive rounds!
What is the main objective of the game? expand_more
The objective is to be the first player to correctly guess four out of the ten hidden numbers, using sum and difference as clues.
Is it a very complex game for beginners? expand_more
No! Although it's a logic puzzle, the rules are quite straightforward. The challenge lies in the deduction itself, not in the complexity of the mechanics.
What are the main components of the game? expand_more
The components include number cards and question cards, which control the information you can obtain for your deductions.
Is SUMSA a good game for those who enjoy Sudoku or other numerical puzzles? expand_more
Absolutely! If you enjoy challenges involving numbers, logic, and the satisfaction of solving a riddle, SUMSA will be very appealing to you.
