-See "Guardian Explorer."

-See "Guardian Explorer."

-See "Guardian Explorer."

-See "Guardian Explorer."

-See "Guardian Explorer."

-The portal to his lair becomes available once you destroy the first bed. 
The first bed becomes available as you complete missions through normal game play. Then a challenge is offered to defeat some enemies, and then destroy the bed.

-The 6 realms are:
1 Town of Burgess
2 Tooth's Palace
3 The Warren
4 Sandman's Ship
5 North Pole
6 Pitch's Lair 

You can warp to the first 5 realms at the start of the game to unlock their respective achievements. 
Walk into the nearest GUARDIAN GATE and press . 
Press  again to access the WORLD MAP. 
Use  to choose either of the 5 initial areas that are available. 
Once you reach the area you chose, walk into the nearest GUARDIAN GATE again and choose another area you have not yet visited. 

See "Explorer - Pitch's Lair" to learn about visiting Pitch's Lair.

-See "Keeper of the Gates."

-See "Keeper of the Gates."

-See "Keeper of the Gates."

-See "Keeper of the Gates."

-See "Keeper of the Gates."

-The GUARDIAN GATES are the multi-colored icon on the map. Defeat the enemies surrounding each one to reclaim that gate. They are initially controlled by Nightmare enemies when you find them. Defeat all the enemies to relcaim that gate. There are 5 gates in each of the 5 realms. 25 total.

To view mission progress for each mission type:
Press 
Select World Board
Select Missions
Use  to cycle through the different missions,
The number of missions by realm is at the bottom as you cycle through each mission type.
But again, all of these mission types can be located on your in-game map by pressing the  button.

-See "Keeper of the Gates" to see how to view your mission progress.
These can get hectic. Stay near and watch your friend's health. These offer good opportunities to earn your 50-hit combo.

-See "Keeper of the Gates" to see how to view your mission progress.
Remember to break the cages of the captives after you defeat the enemies.

-See "Keeper of the Gates" to see how to view your mission progress.
These are just groups of enemies you must defeat.

-See "Keeper of the Gates" to see how to view your mission progress.
These are Russian Matryoska dolls (dolls within a doll) and are sometimes hard to spot.

-See "Elite Guardian 20."

-Defeat numerous enemies and complete missions to level up. 
Spam the  button and occasionally use the ,  or  (Unique Ability 1, 2 or 3, respectively) attacks over and over again.
You reach Level 20 at the beginning of your 5th realm.

-Defeat the many enemies available as you explore each area. You can unlock this within the first 15 minutes of playing the game. You defeat well over 1,000 enemies throughout the game.

-You will confront each of these enemies through normal story progression. Be sure you destroy them, not the AI or a co-op buddy who has joined you.
There's a list of the 13 "NIGHTMARES" in the Journal of the START menu. You can use this to give yourself an idea of what enemies you need to defeat.
1 - PITCH
2 - NIGHTMARE BAT
3 - NIGHTMARE RAT
4 - NIGHTMARE WOLF
5 - NIGHTMARE
6 - NIGHTMARE YETI
7 - NIGHTMARE ELF
8 - NIGHTMARE BEE
9 - NIGHTMARE THRASHER
10- NIGHTMARE LOBSTER
11- NIGHTMARE MAN-O-WAR
12- NIGHTMARE MONKEY
13- NIGHTMARE BIRD
If you haven't unlocked this by the time you've finished clearing out your 3rd realm, then restart your Xbox and see if that helps.

-These are the evil, scary, black horses just standing in the open. These enemies are NOT on the map. So be sure you explore each path/street of each area to ensure you found and defeated them all.

-These are the collectibles of the game found on your map & Legend as treasure chests. 
There are 25 in each realm. Simply follow the map to each chest and open them. Some of these chests blend well with dark, so search diligently.

-To view collectible progress for each realm:
Press 
Select World Board
Select Missions
Use  to cycle over to "TREASURE COLLECTIONS"
You can see how many you've found for each realm on the bottom.

In order from Left to Right, the realm pictures are:
Burgess, North Pole, Bunnymund's Warren, Tooth Palace, Sandman's Ship

-See "Dig the Spring."

-See "Dig the Spring."

-See "Dig the Spring."

-See "Dig the Spring."

-See "Never Stop Believing."

-Spam the  button on enemies continuously until you reach 50 hits. 
The combo-counter is in the top-left of the screen under your current character's picture. 
I suggest using either BUNNYMUND or TOOTH FAIRY, as they have ranged attacks. 
You cannon move while attacking. 
If you need a new angle, use  +  to roll to a new vantage point. 
There are plenty of areas full of enemies. My highest combo is 194, to give you an idea.

-Given to you when you defeat Pitch for the 1st time.

-Given to you when you defeat Pitch for the 3rd time.

-Given to you when you defeat Pitch the 5th and final time in his Lair.

-There are 9 gems for each of the 5 characters. 
All gems are the same in price and ability for each character. 
They are: 
Build .......... 550 recommended
Glory .......... 900 
Wonder ..... 1300 recommended
Harmony .... 2000 
Force ........ 2600 
Energized ... 3800 
Power ........ 5200 recommended
Mighty ....... 6500 
Legendary ... 8000 recommended

TOTAL ....... 31050 x 5 = 155,250 crystals

Gems are like perks. 
You can only equip 3 at a time by unlocking 1 of the 3 slots at levels 2, 8 & 12. 
Use Build until you have purchased all gems.
You should have all gems purchased before completing your second realm.

-This cumulative. 
You don't need to have 15,000 crystals at once. 
Spend as you earn.
Enemies you defeat drop crystals. The crystals automatically come to your character, so you don't have pick them up.

To see how many crystals you have:
Press 
Select Journal
Select Gems
Your crystal amount is in the top-left corner

-See "Beyond Belief"

-You must have at least 1 full purple bar to start this attack. Your energy meter automatically regenerates over time for the 1st bar.
Hold  next to another character to perform this move together. You can continue holding  until your purple energy meter is depleted.

-Champions are the Nightmares with a purple health bar. You hit them with a base attack (), and then use one of your special abilities (,  or ) to really put them down.
(If you haven't unlocked this by the time you've cleared out your 3rd realm, try restarting your Xbox.)

-The World Belief meter is in the bottom left corner or your HUD and it surrounds the globe icon. The meter increases as you clear everything on your map. If you clear each area before moving on, you should have this unlocked before finishing your 4th realm.

-You're enter his lair as you complete missions and clear out your map. You'll also upgrade you weapons the 1st, 3rd & 5th time you encounter him.

-Once you have control of your character, press . 
Use your  to spin the globe around and around in one direction until the achievement unlocks.

-There are 5 beds total. You'll be given the challenge to destroy the enemies around the bed as you complete missions and collect items in the game. So just keep clearing your map.

-You enter his lair as you complete missions and clear your map. Unload on him to build your purple Energy bar, then use your favorite Unique Ability on him. Keep your distance as he uses as a rotating sickle attack often. BUNNYMUND & TOOTH FAIRY are recommended for their ranged attacks.

-After your 5th encounter with Pitch in his Lair, you'll now battle him in Burgess. He has the same attack as before, but likes to spawn evil replicates or your characters as well. Again, just spam the  button on them, and use your Unique Abilities (,  or ) when your purple meter is filled.
The credits roll AND YOU CAN'T SKIP THEM, and then you'll be warped back to the area you previously left.

-Don't forget to look for these and go out of your way to destroy them. If you didn't get enough your first time through, you can warp back to the Factory area in the North Pole realm and the stacks of presents will have respawned.

-Yetis are found making ice sculptures in the Factory area of the North Pole realm, and hanging out on the cliffs.

-Travel to TOOTH PALACE realm, area ASIA. The circle of mushrooms are found in the top-left of the map near a chest that is hidden in the shadows.

-As soon as you enter the realm, vases are found all around the edges of the area. Keep destroying them until you unlock this.

-There are blue mailboxes throughout the streets of Burgess. 
These are the bigger drop-off-your-letters-and-packages mailboxes, not the type you see in front of someone's home. There are more than 10 in the areas of Burgess.

-The lake is located in the POND area of the Burgess Realm. 
2 on the pier
1 is on the shore near the guardian gate
2 near the north bridge