Conceptis Ltd.

MultiSudoku: Samurai Puzzles

Pic-a-Pix: Nonogram Color

Slitherlink: Loop the Snake

Link-a-Pix: Nonogram Links

Fill-a-Pix: Minesweeper Puzzle

Tic-Tac-Logic: X or O?

Sym-a-Pix: Nonogram Symmetry

SeaBattle: Warships Puzzle

Cross-a-Pix: Nonogram Crosses

Dot-a-Pix: Connect the Dots