Kostas Giannakakis

Einstein's riddle or "Zebra puzzle" is a well known riddle attributed to Albert Einstein. In a n

Two popular card games. In Memory Snap you need to win as many cards as possible. Counting cards is

Peg Solitaire is the classic game, where you try to remove all but the last peg from a board. You re

The most complete collection of mathematical chess problems. Try to solve problems such as "8 queens

It isn't only Santa that brings children Christmas presents. Around the world many figures take

Snap is a card game for two players. Play against the computer and try to win more points. Rules are

Einstein's riddle or "Zebra puzzle" is a well known riddle attributed to Albert Einstein. In a n

This is an implementation of the classic Peg Solitaire game for Android phones.Main features: - Play

This is a collection of some well known riddles. You can play "8 Queens", "Knight's tour", "Solo

It isn't only Santa that brings children Christmas presents. Around the world many figures take