A living retro collection index — games, consoles, and manuals collectors have logged, how many own each one, and the market prices we have.
358 titles

Pokémon Diamond introduced the fourth generation of the series on Nintendo DS in 2006, inviting players to traverse the Sinnoh region and collect creatures amid themes of time and space. Its blend of exploration, battles, and connectivity features made it a landmark handheld title. Collectors seek pristine copies for the era's shift to dual-screen play and the debut of many enduring Pokémon.
Trainers move across a detailed overworld, engaging wild Pokémon and leaders through strategic turn-based encounters. The title highlights mining in the Underground, Pokémon contests, and seamless wireless trades or battles with nearby players. Dual screens keep maps and menus accessible without interrupting the journey.
Game Freak crafted Diamond to leverage DS capabilities, adding touch elements and expanded connectivity. The team introduced over one hundred new species while refining core collection and training loops around regional lore.
Reviewers welcomed the game's scope and fresh mechanics, noting strong sales and lasting appeal through multiplayer. It earned praise for depth yet drew occasional comments on pacing, cementing its status among series highlights.