PlatformsNintendoRetro Gamer Print Magazine20 years of the Nintendo DS: celebrating the innovative handheld in the latest Retro GamerWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. PlatformsNintendoRetro Gamer Print Magazine20 years of the Nintendo DS: celebrating the innovative handheld in the latest Retro GamerWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: Future PLC) Just in time for the Christmas break, Retro Gamer pays tribute to the greatest-selling handheld of all time. Veteran coders, Paul Machacek and Paul Hughs explain what it was like coding for the dual-screened system, while ex-gaming journalists Matthew Castle and Simon Miller explain what it was like experiencing the likes of Nintendogs and Brain Training for the first time. In terms of designing …