Opus Cortex: A Nonogram Puzzle Story

“Opus Cortex” is a nonogram puzzle game (a picture-logic puzzle, in which cells in a grid must be colored or left blank according to numbers at the edges of the grid to reveal a hidden picture), with a backstory in the form of visual novel dealing with the topics of AI evolution and its risks. Puzzles themselves are well designed, with a rather steep difficulty curve, and you can use both mouse and keyboard controls...

5 found this helpful, 2026-01-18

If you want a nice casual puzzle game, this is definitely a good choice. A bit like sudoku, in that you have to work out sequences from number clues, but otherwise nothing like sudoku. Good logic game. The only downside, the music is a bit repetitive, but for the price completely acceptable, you can turn it down and listen to your own tunes, their is no voice acting.

2 found this helpful, 2026-02-03

I love nonograms and have played a lot of them, both digital and paper-based. I got this because there's a bit of a story in it and I prefer nonogram games with story, but goodness, the inability to cross any number in the row or column when you're done with it makes this really painful to do. For example, there is a line of seven 1s. You already marked a 1 on one of the edges. Other games would have crossed out...

1 found this helpful, 2026-08-02