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

Wallrunner -10 points

Completing the Canyon.

Compass -10 points

Use the Compass.

Heal the Land - 30 points

First Healing.

Saviour of the City of Light - 50 points

Final Healing.

Explorer - 20 points

Explore every part of every region.

Block Master - 20 points

Block 50 attacks.

Deflect Master - 20 points

Deflect 20 attacks.

Sword Master - 20 points

Perform 14 hits in one combo.

Be gentle with her - 100 points

Elika saves you fewer than 100 times in the whole game.

Improviser  -10 points

Use the environment against an enemy.

Up against it - 10 points

Win a wall mini-game in combat.

Ruined Citadel Runner - 10 points

Run from the Sun Temple's Fertile Ground to the Fertile Ground in Windmills in 5 minutes.

Vale Runner - 20 points

Run between the Fertile Grounds in the Construction Yards and Heaven's Stair in 6 minutes.

Royal Palace Runner - 30 points

Run between the Fertile Grounds in the Royal Gardens and Coronation Halls in 4 minutes.

City of Light Runner - 40 points

Run between the Fertile Grounds in the Tower of Ahriman and City of Light in 7 minutes.

Warrior Special - 20 points

Dodge the Warrior's attacks 20 times in one battle.

Hunter Special - 20 points

Deflect the Hunter's attacks 5 times in one battle.

Alchemist Special - 20 points

Defeat the Alchemist without using the acrobatic button.

Concubine Special - 20 points

Defeat the Concubine without using grab.

Light Seeds Finder - 10 points

Collect 100 Light Seeds.

Light Seeds Collector - 10 points

Collect 200 Light Seeds.

Light Seeds Provider - 10 points

Collect 300 Light Seeds.

Light Seeds Locator - 10 points

Collect 400 Light Seeds.

Light Seeds Harvester - 10 points

Collect 500 Light Seeds.

Light Seeds Hoarder - 10 points

Collect 600 Light Seeds.

Light Seeds Gatherer - 10 points

Collect 700 Light Seeds.

Light Seeds Accumulator - 10 points

Collect 800 Light Seeds.

Light Seeds Protector - 10 points

Collect 900 Light Seeds.

Light Seeds master - 50 points

Collect 1001 Light Seeds.

Speed Kill - 10 points

Kill 10 generic enemies before they spawn.

Throw Master - 10 points

Throw 10 Soldiers of Ahriman into pits.

Assassin View - 10 points

Find the Assassin's view.

Titanic view - 10 points

Find the Titanic View.

In Harmony - 10 points

500 coop jumps.

Precious Time - 10 points

Take one minute to think.

Where's that Temple? -10 points

Talk to Elika.

Getting to Know You - 10 points

Get to know Elika by talking to her.

Good Company -10 points

Learn about the world, and Elika's history.

Climbing to New Heights! - 10 points

Find the highest point in the world.

Sinking to New Depths! -10 points

Find the lowest point in the world.

Speed Demon - 10 points

Finish the game in under 12 hours.

Combo Specialist - 50 points

Find every combo in the game.

Secret Achievements

Into the Storm… - 10 points

Congratulations, you have started the adventure!

Saved! - 10 points

Congratulations, you have unlocked Elika's saving ability.

Death of a Concubine - 20 points

Congratulations, you have killed the Concubine.

Now who's the Hunter? - 20 points

Congratulations, you have killed the Hunter.

Death of a Warrior King - 20 points

Congratulations, you have killed the Warrior.

Traitor's End - 20 points

Congratulations, you have killed the Alchemist.

From Darkness...Light! - 30 points

Congratulations, you have reimprisoned Ahriman.

To be continued... - 80 points

Congratulations, the game is complete...the story has only just begun...