Question:  What games tiles tiles must form words which, in crossword fashion, read left to right in rows or downwards in columns, and be defined in  a standard dictionary or lexicon, Scrabble or Take It Easy?
Sentence (from "Scrabble"): Scrabble is a word game in which two to four players score points by placing tiles bearing a single letter onto a board divided into a 15×15 grid of squares.
Relevant evidence: Yes