No revenue estimate for PSN — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.

4 in a row

Astoundingly simple and exciting every time: Who will be the first to arrange four of their chips in a row – vertically, horizontally or diagonally? Block your opponent and draw them into your trap. But be careful not to fall into a trap yourself. Entertaining brain training for two bright minds! • Simple rules • Exciting tactics • Choice of different settings • For 1 to 2 players