Gênio Quiz is a free browser trivia game with 50 questions that challenges your brain, developed by André Birnfeld and released on his defunct website, lol.net.br.
Test your general knowledge by answering questions from a wide range of topics. You can play by yourself or compete against other players. If you don't know the answer, you'll be able to see it and learn something new.
NumberMaze is an educational game where players get to practice their math skills. The game consists of a number of mazes that the player has to navigate his way through to get to a castle. Viewed from a top down perspective the player moves his character by clicking with the mouse. The mazes have many doorways that the player has to go through. To pass through these the player has to solve math problems. There are also doors that are locked and for these the player first have to locate a key to open. Scattered through the mazes are also books which the player has to collect before he gets access to the castle.
Sonic Logic is a mobile puzzle game developed and released by Sega in 2001. As with most early mobile games of the time, this title features extremely simple graphics and controls.