Tetroku is a really simple (but devilish) roll and write. I entered it into the 10th BGG Roll & Write Contest in 2021 . Despite having a really simple ruleset (so much so that all the rules fit onto the gamesheet), it is rich with meaningful decisions. Even though its rules are so straightforward, in many ways it is one of the games I am most proud of. It requires a single game sheet per player, and just one six-sided die for the whole group. It plays in about half an hour, regardless of the number of people playing. The game involves filling tetromino shapes into a 9x9 grid, and the scoring system was inspired by Sudoku puzzles - hence the name Tetroku. The original version I made for the BGG contest involved an end-game process designed to (a) increase player interaction, and (b) prevent some players waiting for the game to finish, after they had done so themselves. However, I have since found that some players find this end to be somewhat convoluted. Worse, some also...