How to play?
KONI GAME is an online game to explore graphs and specifically the concept of the Eulerian path. The basic rule is that, in every map, you must try to cross all the bridges.
However, every time you cross a bridge, the bridge disappears and can no longer be used, as shown in the following figure.
The game consists of seven levels, each with a different bridge configuration: be careful, as in some levels the goal is impossible to achieve.
At the start of the match, click on a land area to place Euler, and then move him using the directional arrows on your keyboard. Pressing L returns you to the level selection, while pressing R restarts the current level.
PRO TIP: to cross bridges diagonally, press two arrows at the same time! For example, to move top-right, press ↑ and → together.
The various levels reference places and figures contemporary to Euler (1707–1783):
1 — Königsberg. The city that originated the bridge problem Euler worked on.
2 — Maria Gaetana Agnesi (1718–1799), Milan
3 — Daniel Bernoulli (1700–1782), Basel
4 — Jean le Rond d’Alembert (1717–1783), Paris
5 — Wang Zhenyi (1768–1797), Nanjing
6 — Gelenbevî İsmail Efendi (c. 1730–1790), Istanbul
7 — Catherine II (1729–1796), Saint Petersburg
A fun question to ask yourself is to recognize the city based on the buildings present on the map (of course, the bridges are fictional).
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