Retro Monster Archive is an editorial reference site for classic monster-taming role-playing games, with coverage spanning handheld and console platforms. Its library features 100 game reference pages across Game Boy Advance, Sega Mega Drive, Game Boy, Nintendo DS, and Super Nintendo titles. Each page provides editorial notes, version details, and a browser-play reference, helping visitors explore both familiar releases and fan-made variations.

The archive also publishes guides and historical features for players revisiting these games. Its beginner strategy hub covers starter-team planning, early-game pacing, recommended reading order, and practical play advice. History articles trace the genre’s development across handheld generations and consider how hardware changes influenced game design and pacing. Comparison features examine related releases side by side, including differences in progression, endgame content, and overall player suitability.

The catalog includes official Pokémon titles, spin-offs, and ROM hacks, with topics ranging from badges and Pokédex completion to team building, legendary encounters, and regional adventures. Visitors can browse by platform or explore the broader guide, history, and comparison series.