Tetrachroma’s puzzle concept is similar to Reversi, a Japanese board game ... he started playing a bunch of different Tetris ...

Once you've played this mashup of Tetris and Minesweeper ... drop one-by-one from the top of the board. Each of these tiles acts like a Minesweeper square, with hidden mines you'll have to ...

River Towns is much more like Tetris than I realised.Watch on YouTube I've had this one earmarked for a while, but I was completely wrong - I now realise - about what kind of game it would be.