I recompiled and updated list for you, maybe you can make this
sticky thread for yourself to refer.
Guides:
Avatar Guide:http://www.neopets.com/~The_Pet_Eater
Jellyneo:http://www.jellyneo.net/index.php
In-Depth Battlepedia Guide: http://idb.finalhit.org/
Monthly Free Gifts:
http://www.neopets.com/freebies/
Daily Free Stuff:
http://neopets.com/bank.phtml
http://www.neopets.com/island/tombola.phtml
http://www.neopets.com/desert/shrine.phtml
http://www.neopets.com/desert/fruitmachine.phtml
http://www.neopets.com/worlds/geraptiku/tomb.phtml
Every pet you got can go fishing once per 12 hours (so 3 pets = 3
tries)
http://www.neopets.com/water/fishing.phtml
Once time per day
http://www.neopets.com/jelly/jelly.phtml
http://www.neopets.com/prehistoric/omelette.phtml
Every 20 mins:
http://www.neopets.com/faerieland/springs.phtml
Daily Tries:
Daily Puzzle http://www.neopets.com/index.phtml
Lunar Calendar http://www.neopets.com/shenkuu/lunar/
Faerie Wheel http://www.neopets.com/faerieland/wheel.phtml
For 100 NP, you stand to win more than 6 million NPs legally!
http://www.neopets.com/halloween/strtest/index.phtml
http://www.neopets.com/winter/snowager.phtml
Hours the Snowager is asleep daily:
6:00am - 7:00am NST
2:00pm - 3:00pm NST
10:00pm - 11:00pm NST
http://www.neopets.com/medieval/turmaculus.phtml -
Dangerous, can eat ur petpet if so suay!
http://www.neopets.com/medieval/symolhole.phtml
http://www.neopets.com/medieval/guessmarrow.phtml
Meteor's Free Gifts - Space food, weapons or maybe nothing at
all.
Hourly Tries
http://www.neopets.com/moon/meteor.phtml
Hidden and unusual places:
http://www.neopets.com/jelly/ - Jelly World is not
in the map in case you don't know.
When you go to see New Features in neopets you wont get to see
Jelly World news as they are hidden as well.
To view the news for yourself, go to New Features and rightclick on
the page. Hit 'View Source'. Search for 'jelly'. The first thing
you find should be it!
The Gypsy Camp
http://www.neopets.com/halloween/hwp/gypsy_camp.phtml
Neovia the Cursed Town
http://www.neopets.com/halloween/neovia.phtml?
For spending your millions of NPs
http://www.neopets.com/faerieland/hiddentower938.phtml
when You complete Lab Map, you get access to lab to zap your
pet!
http://www.neopets.com/lab.phtml
http://www.neopets.com/worlds/deadlydice.phtml -
around sg time 3pm to 4pm Dracula awakes, forgot the real timing,
but neopet timing should be midnight time. 12.00 am. Play dice with
Dracula to win or lose a level...once I play 4 times draw games
with him and won 8 free levels in the end plus free avatar
Go there when you completed a Rainbow Faerie Quest!
http://www.neopets.com/faerieland/rainbowfountain.phtml
Can go try and crack your brains for the ultimate hardest to find
avatar
http://www.neopets.com/shenkuu/cooking.phtml
Neopet Magazine Word
Scramble:
http://www.neopets.com/wordscramble/wordscramble.phtml
New Sponser Games:
http://www.neopets.com/games/play.phtml?game_id=869
http://www.neopets.com/games/play.phtml?game_id=870
http://www.neopets.com/games/play.phtml?game_id=683
Altador Cup!
http://www.neopets.com/altador/colosseum/index.phtml