Scrabble variants require scientific notation, depending on the board. Points are calculated automatically and displayed next to definitions of words as they are placed. Anadrome has a tile-earning mechanic and board editor, allowing users to create publicly available boards for Scrabble, Words with Friends, and their own custom designs, making it a superset of crossword-style games. On the game show "Scrabble Showdown", two teams play various games in order to win prizes including a vacation to anywhere in the world. Gosum is similar to Numble. Users place sequences of numbers and equations, using the four main arithmetic operators (addition, subtraction, division, multiplication)
Tile-based video game Much video game hardware from the late 1970s through the mid 1990s had native support for displaying tiled screens with little interaction from the CPU. Tile-based games are not a distinct video game genre; rather, the term refers to the technology a game engine uses for its visual representation. For example, "Ultima III" is a role-playing video game and "Civilization" is a turn-based strategy game, but both use tile-based graphic engines. Tile-based engines allow developers to create large, complex gameworlds efficiently and with relatively few art assets. Tile-based video games usually use a texture atlas for performance reasons. They also