How to get ANY Pokemon in Pokemon Gold/Silver 3DS VC Coin Case Glitch [No Gameshark used] - YouTube
Final update - I filled the Pokédex in Crystal Version as much as possible without trading or glitches. My legendaries easily defeated Red's high-level team. (Links to previous posts in comments) :
Purchase Bonuses - Celebi and 3DS Themes - Pokemon Gold, Silver and Crystal Wiki Guide - IGN
Pokemon Crystal Clear
MissingNo. Pokémon Crystal Pokémon Red and Blue Glitch, q version of the shark, text, video Game, number png | PNGWing
Pokemon Gold and Silver 3DS Virtual Console: Back to the Future 2(000)! | Smogon Forums