There is no guide for this game yet. But apparently it is EASY POINTS! 

Off You Go - 20 points

Completed basic training

Found Futo - 10 points

Find Futo

Found Suzume - 10 points

Find and free Suzume

Found Shun - 10 points

Find and free Shun

Found Kunoichi - 10 points

Find and free Kunoichi

Found Tora - 10 points

Find and free Tora

Lost and Found - 20 points

Retrieve all five missing ninja

Off The Richter Scale - 30 points

Defeat Boss Lumbering Fool

Smell You Later - 30 points

Defeat Boss Windy Pants

Tripped and fell - 30 points

Defeat Boss Timid Swimmer

Crash landing - 30 points

Defeat Boss Screeching Owl

Restore Balance - 40 points

Defeat the Evil Samurai Warlord

Animal Friend - 100 points

Free all caged animals

Tree Hugger - 10 points

Shake 15 trees

Sage of Philosophy - 50 points

Reach level cap

Avalanche - 10 points

Defeat an enemy as a snowball

Smooth Sailing - 10 points

Flawless Great River Canyon rafting

Little Ninja - 50 points

Complete game on easy or medium difficulty

Hard Little Ninja - 100 points

Complete game on hard difficulty

Bow Before Me - 20 points

Defeat 50 enemies with the bow

Stop! Futo Time! - 20 points

Use Futo in combat on all levels

Eat My Dust - 10 points

Travel far in full gallop

Pied Piper - 10 points

Incite 50 enemies to dance

Poker - 10 points

Defeat 30 spearmen with the spear

Don't Blame it on the Sunshine - 10 points

Bring sunshine to all denizens of the graveyard

No Conjurer of Cheap Tricks - 20 points

Expend 1500 Ki using Kuji magic

Now You See Me ... - 40 points

Defeat 100 enemies with stealth attack

Big Guy - 10 points

Defeat a large one

Boardom - 10 points

Defeat 10 enemies as the boar

Bear With Me - 10 points

Defeat 10 enemies as the bear

Silent Assas... Ninja - 50 points

Complete a level without being seen

Botanist - 30 points

Collect one of each ingredient

Completist - 100 points

Collect all Jizo statues

Tengu Friend - 40 points

Complete all Wandering Tengu quests

Sightseeing - 30 points

Visit all temples