Perform a Game Sync then complete the following tasks on the Global Link to earn the corresponding medal.

Medal	How to unlock
50-Time Hall of Famer	Enter the Hall of Fame by beating the Elite Four and Champion fifty times.
Ace Pilot	Use Fly in the field many times.
Archeology Lover	Revive a Pokemon from a fossil.
Battle Learner	Fight 100 battles.
Battle Maison 20-Win Streak (Double)	Compelte 20 Double Battles in a row at the Battle Maison.
Battle Maison 20-Win Streak (Multi)	Compelte 20 Multi Battles in a row at the Battle Maison.
Battle Maison 20-Win Streak (Rotation)	Compelte 20 Rotration Battles in a row at the Battle Maison.
Battle Maison 20-Win Streak (Single)	Complete 20 Single Battles in a row at the Battle Maison.
Battle Maison 20-Win Streak (Triple)	Compelte 20 Triple Battles in a row at the Battle Maison.
Battle Teacher	Fight 200 battles.
Battle Test Beginner	Get the Beginner rank in the Battle Test.
Battle Test Challenger	Take the Battle Test ten times.
Battle Test Champion	Exceed a score of 6,500 on the Battle Test (500 points above Master Rank).
Battle Test Hyper	Get Hyper Rank on the Battle Test.
Battle Test Master	Get Master Rank on the Battle Test.
Battle Test Normal	Get the Normal rank in the Battle Test.
Battle Veteran	Fight 400 battles.
Battle Virtusoso	Go through 2,000 battles.
Beginning Trader	Use Link Trade once.
Berry Gardener	Pick 10 Berries from fields.
Berry Picker Fan	Complete Berry Picker Unlimited.
Berry Scientist	Create a mutated Berry.
Born to Battle	Go through 100 Link Battles.
BP Wealthy	Obtain 100 BP.
Broad Friendship	Register 30 friends.
Broad Friendship	Register 30 Friend Codes.
Bug-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Busy Save	Save 20 times.
Capturing Spree	Catch 50 Pokemon in 24 hours.
Central Kalos Pokedex Completionist	Complete the Central Kalos Pokedex.
Coastal Kalos Pokedex Completionist	Complete the Coastal Kalos Pokedex.
Countess	Achieve this rank in the Battle Chateau.
Dark-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Day-Care Faithful	A Medal for those who love to raise Pokemon and left many Pokemon at the Pokemon Day Care..
Dragon-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Duchess	Achieve this rank in the Battle Chateau.
Duke	Become a Duke at the Battle Chateau.
Earl	Become an Earl at the Battle Chateau.
Easy Cycling	Ride a Bicycle 30 times.
Egg Beginner	Hatch a Pokemon Egg.
Egg Breeder	Hatch 10 Pokemon Eggs.
Egg Elite	Hatch 50 Pokemon Eggs.
Evolution Authority	Evolve Pokemon 100 times, enough to astound Pokemon Breeders.
Evolution Expert	Evolve 50 Pokemon and become recognized by Pokemon Breeders.
Evolution Hopeful	Evolve one Pokemon.
Evolution Tech	Evolve 10 Pokemon.
Exp. Millionaire	Earn 1,000,000 EXP. in 24 hours.
Experienced Saver	Save 50 times.
Extensive Friendship	Register 10 Friend Codes.
Fairy-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Fashion Leader	Accumulate a lot of clothing.
Fighting-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Fire-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
First Encounter	Meet a real-life player in the game.
First Friend	Register one Friend Code.
Fledgling Photographer	Send one photo to the Pokemon Global Link.
Flying-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Frequent Trader	Use Link Trade fifty times.
Friend Safari 10	Have 10 encounters in the Pokemon Safari.
Ghost-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Good Rod Fisherman	Find 10 Pokemon when fishing.
Grand Duchess	Achieve this rank in the Battle Chateau.
Grand Duke	Achieve this rank in the Battle Chateau.
Grass-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Gratitude	Tip people generously.
Great Customer	Spend $100,000 at PokeMarts.
Great Trade-Up	Have 100 Link Trades.
Ground-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Hall of Fame	Beat the Elite Four and Champion ten times.
Happy Birthday	Get a birthday wish through the PSS.
Hard Cycling	Ride a Bicycle 100 times.
Hatching Aficionado	Hatch 100 Pokemon Eggs.
Head It Fan	Complete Head It Unlimited.
Heavy Walker	Walk 20,000 steps.
Honored Footprints	Walk 100,000 steps.
Ice-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Indulgent Customer	Spend $1,000,000 at PokeMarts.
Kalos Pokedex Completionist	Complete the entire Kalos Pokedex.
Light Walker	Walk 5,000 steps.
Link Battle Amateur	Fight one Link Battle.
Link Battle Expert	Go through 50 Link Battles.
Link Battle Pioneer	Have 10 Link Battles.
Luminosian	Explore all of Lumiose City and become extremely stylish.
Lumiose Explorer	Explore much of Lumiose City and become very stylish.
Lumiose Luminary	Explore Lumiose City in full and become so stylish that you are well-known by everyone.
Lumiose Star	Explore all of Lumiose City and become extremely stylish.
Lumiose Tourist	Explore some of Lumiose City and become a little stylish.
Magikarp Award	Use Splash, despite its lack of effectiveness.
Marchioness	Achieve this rank in the Battle Chateau.
Marquis	Become a Marquis at the Battle Chateau.
Middle Walker	Walk 10,000 steps.
Mighty Fisher	Find 100 Pokemon while fishing.
Moderate Customer	Spend $10,000 at PokeMarts.
Mountain Kalos Pokedex Completionist	Complete the Mountain Kalos Pokedex.
Naming Champ	Give 10 Pokemon nicknames.
National Pokedex Completionist	Capture all Pokemon in the National Pokedex.
Never Give Up	A Medal for those who don't know when to quit even when there's nothing they can do.
Noneffective Artist	Mistakenly use moves that are not effective (for example, Electric on a Ground type).
Normal-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
O-Power Lv. 1	Use an O-Power once.
O-Power Lv. 2	Use an O-Power ten times.
O-Power Lv. 3	Use an O-Power 50 times.
O-Power MAX	Use O-Powers 100 times.
O-Power Pro	Get all of the O-Powers from Mr. Bonding.
Occasional Trader	Use Link Trade ten times.
Old Rod Fisherman	Find a Pokemon when fishing once.
Outgoing	Meet 10,000 real-life players in the game.
Pedaling Legend	Ride a Bicycle 500 times.
Poison-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
PokeMile Hoarder	Get 10,000 PokeMiles.
Pokemon Center Fan	Rest your Pokemon at a Center many times.
Pokemon-Amie Aficionado	Play with a Pokemon in Pokemon-Amie 10 times.
PokeRadar Operator	Get data on ten Pokemon with the PokeRadar.
PR Video Debut	Make one PR Video and show it off.
Psychic-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Rating Battle Top 1,000 - Double	Get in the Top 1,000 of the season during Double Ranked Battles.
Rating Battle Top 1,000 - Rotation	Get in the Top 1,000 of the season during Rotation Ranked Battles.
Rating Battle Top 1,000 - Single	Get in the Top 1,000 of the season during Single Ranked Battles.
Rating Battle Top 1,000 - Special	Get in the Top 1,000 of the season during Special Ranked Battles.
Rating Battle Top 1,000 - Triple	Get in the Top 1,000 of the season during Triple Ranked Battles.
Rating Battle Top 100 - Double	Get in the Top 100 of the season during Double Ranked Battles.
Rating Battle Top 100 - Rotation	Get in the Top 100 of the season during Rotation Ranked Battles.
Rating Battle Top 100 - Single	Get in the Top 100 of the season during Single Ranked Battles.
Rating Battle Top 100 - Special	Get in the Top 100 of the season during Special Ranked Battles.
Rating Battle Top 100 - Triple	Get in the Top 100 of the season during Triple Ranked Battles.
Rating Battle Top 500 - Double	Get in the Top 500 of the season during Double Ranked Battles.
Rating Battle Top 500 - Rotation	Get in the Top 500 of the season during Rotation Ranked Battles.
Rating Battle Top 500 - Single	Get in the Top 500 of the season during Single Ranked Battles.
Rating Battle Top 500 - Special	Get in the Top 500 of the season during Special Ranked Battles.
Rating Battle Top 500 - Triple	Get in the Top 500 of the season during Triple Ranked Battles.
Regular Customer	Keep going to PokeMarts, becoming regular customers.
Rock-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Smart Shopper	Get a Premier Ball (buy over 10 Poke Balls).
Sociable	Meet 100 real-life players in the game.
Starter Cycling	Ride a Bicycle once.
Steel-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Step-by-Step Saver	Save 10 times.
Successor in the Making	Get a Pokemon to Mega Evolve.
Super Rich	Spend $10,000,000 at PokeMarts.
Super Rod Fisherman	Find 50 Pokemon while fishing.
Super-Training Instructor	Play with a Pokemon in Super Training 10 times.
Supereffective Savant	Repeatedly abuse type weaknesses (i.e. Fire on Grass).
Sweet Home	Return to your hometown (Vaniville Town).
Television Kid	Repeatedly watch television.
Tile Puzzle Fan	Complete Tile Puzzle Unlimited.
Top Sky Trainer	Defeat all Sky Trainers in the game.
Trash Master	Check empty trash cans.
Trick Master	Use many tricks on Roller Skates.
Viscount	Become a Viscount at the Battle Chateau.
Viscountess	Achieve this rank in the Battle Chateau.
Water-Type Catcher	Catch all Pokemon of this type in the Kalos Pokedex.
Wonder Writer	Save 100 times.
World Connector	Register 100 Friends.