Conceptis Ltd.

MultiSudoku: Samurai Puzzles

Pic-a-Pix: Nonogram Color

Dot-a-Pix: Connect the Dots

Hashi: Bridges

Link-a-Pix: Nonogram Links

Fill-a-Pix: Pixel Minesweeper

SeaBattle: Warships Puzzle

Cross-a-Pix: Nonogram Crosses

Nurikabe: Islands & Walls

SumSudoku: Killer Sudoku