dobbeltsystem

The dobble system, also known as the "Spot It!" game system, is a visual matching card game that relies on a unique icon-based design. The game was invented by Belgian designer Uwe Rosenberg and first published in 2006 under the name *Dobble*. The core concept revolves around a set of cards, each featuring a collection of symbols or icons. Each symbol appears on multiple cards, but only once per card, and the challenge is to quickly identify matching symbols between pairs of cards.

The game’s mechanics are based on a mathematical structure called a finite projective plane, specifically the Fano plane, which ensures that every pair of cards shares exactly one common symbol. This design guarantees that the game is always solvable, as no two cards are completely unrelated. The original *Dobble* game includes 55 cards with 8 symbols each, though variations exist with different numbers of cards and symbols.

Dobble has gained popularity due to its simplicity, fast-paced gameplay, and ability to be played casually or competitively. It can be enjoyed by players of all ages and is often used as an icebreaker or party game. The game’s rules are straightforward: players take turns flipping a card face-up, and the next player must quickly find and name the matching symbol between their hand and the revealed card. The first player to find the match wins the round.

Beyond the original game, the dobble system has inspired numerous adaptations, including themed versions with different icon sets (such as animals, sports, or pop culture references). The system’s flexibility allows for creative variations in gameplay, such as timed challenges or cooperative modes. Its efficiency in conveying information visually has also led to its use in educational and training contexts, where quick recognition skills are beneficial.