In “Pokemon GO”, some Pokemon are very easy to find while some come very rarely. However, with so many Pokemon found in the wild, it's not easy to know which ones are worth catching and which Pokemon should be sent to the Professor to make room for other Pokemon. So this guide is all about helping players identify the most important Pokemon to catch, at least once and for Pokedex sake, in the game.
The easiest Pokemon to catch in the game according to Eurogamer since the first day of “Pokemon GO” release are Rattata, Weedle, Pidgey, Zubat, and Caterpie. Upon the arrival of Gen 2, Sentret, Hoothoot, Swinub and Ledyba are also commonly sighted almost anywhere. This is followed by common Pokemon that are spotted almost as often as the easiest Pokemon. This includes Eevee, Oddish, Venonat, Drowzee, Magikarp, Spearow, Meowth, Paras, Bellsprout, and Krabby. For Gen 2 Pokemon, it includes Murkrow, Spinarak, Natu, Wooper, Hoppip, Natu, Marill, Remoraid and Sneasel.
Next are the uncommon Pokemon which is composed of Nidoran, Cleafairy, Cubone, Ekans, Poliwag, Goldeen, Jigglypuff, Shellder, Gastly, Magnemite, Slyduck, Slowpoke, Staryu, Jynx, Ditto, and Tentacool. For Gen 2 it's composed of Sunkern, Chinchou, Aipom, Dunsparce, Snubbull, and Teddiursa.
As for the rare Pokemon, this includes Geodude, Dratini, Growlithe, Vulpix, Onix, Koffing, Ponyta, Sandshrew, Abra, and Magmar. For Gen 2, it includes Slugma, Yanma, Sudowoodo, Mantine, Gligar, Pineco, Phanpy, Shuckle, Qwilfish, and Skarmory according to IGN. Then there is also the very rare Pokemon that’s only found when a player finds its nest. This includes Bulbasaur, Squirtle, Charmander, Pikachu, Machop, Electabuzz, Whyhorn, Grimer, Lickitung, VOltorb, Pinsir, Scyther, Kabuto, Tangela, and Omanyte. For Gen 2, it includes Totodile, Chikorita, Cyndaquill, Houndour, Misdreavus, and Larvitar.
And that’s not all, there are also very rare Pokemon that are worth finding as they are considered the strongest ones in the game. This includes Militank, Lapras, Girafarig, Snorlax, Stantler, Porygon, Mareep, Hitmonlee, Togetic, Hitmonchan, Hitmontop, Chansey, Unown, Aerodactyl.