Gen 1
Gen 2
Gen 3
Gen 4
Gen 5
100

This city hosts the Gym Leader Sabrina.

What is Saffron City?

100

This new mechanic relied on the newly-introduced gender system.

What is breeding?

100

This Pokémon has a branched evolution that is seemingly random.

What is Wurmple?

100

This Pokémon could only be obtained by transferring its egg from Pokémon Ranger.

Who is Manaphy?

100

The goal of N, the King of Team Plasma.

What is Pokémon liberation?

200

The infamous game-breaking glitch that appears as a Pokémon.

What is Missingno?

200

This Pokémon is heavily associated with the ocean, but is not a Water-type.

Who is Lugia?

200

The set of islands accessed from Cinnabar Island in FireRed/Leaf Green.

What are the Sevii Islands?

200
A study showed that this real-life item was the most accurate if its kind at the time if its release.

What is the Pokéwalker?

200

The watch that allows you to make calls in Black/White.

What is the X-transceiver?

300

The critical-hit chance relied on this stat.

What is Speed?

300

An in-game trade for this Pokémon in Goldenrod City can help with Whitney’s Gym battle.

Who is Machop?

300

One of two Pokémon required for accessing the Golem Trio, the other being Relicanth.

What is Wailord?

300

This special Pokémon was required to unlock Celebi and could not be traded from HeartGold/SoulSilver.

What is the Spiky-Eared Pichu?

300

The form of Darmanitan standing guard in the desert.

What is Zen-mode?

400

This Key Item is found in the Safari Zone and is essential for completing the game.

What are Gold Teeth?

400

Due to a coding bug, this Apricorn Ball does not help at all when catching Pokémon like Clefairy.

What is a Moon Ball?

400

This new mechanic would define the Pokémon VGC format.

What are Double Battles?

400

The town in which The Rise of Darkrai takes place, which is not seen in any game.

What is Alamos Town?

400

This Pokémon was originally based on a tank, and remnants from this inspiration can be seen on the Pokémon’s stomach.

Who is Hydreigon?

500
This type only has one move associated with it.

What is the Dragon-type?

500

The home to Unown.

What is the Ruins of Alph?

500
This Pokémon helped unpack your house in Ruby/Sapphire, yet this separate Pokémon helped in Emerald.

What are Machoke and Vigoroth?

500

This was the first Pokémon to appear in a Cherish Ball from an event.

Who is Tropius?

500

Humilau City is home to the Water Gym in Black 2/White 2, and this is the Leader.

Who is Marlon?

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