Finally! I've just now beaten PICROSS e7 (3DS)! Once again this took longer thsn expected. Unless I find an economical way to play e9, then I'll be wrapping up the e-series with
Picross 3D - Wikipedia
REVIEW – Pokémon Picross (3DS) | Minus World
Japan: Picross e9 Launches August 8 For Nintendo 3DS – NintendoSoup
REVIEW – Pokémon Picross (3DS) | Minus World
Jupiter Now Hosting Limited-Time Picross Sale On Nintendo eShop – NintendoSoup
Amazon.com: Picross 3D 2 - Standard Edition [3DS] : Video Games