Here is the full list of all 100 The Lost Legends of Redwall: The Scout Anthology achievements.
Finish The Scouts
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in The Scouts
Finish The Pirates
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in The Pirates
Finish The Catacombs
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in The Catacombs
Finish The Weret
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in The Weret
Finish The Lighthouse
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in The Lighthouse
Finish The Battle of Lilygrove
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in The Battle of Lilygrove
Finish Old Moss Creek
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in Old Moss Creek
Finish The Captain
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in The Captain
Finish Silversands
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in Silversands
Finish The Pantry
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in The Pantry
Finish Pontederia
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in Pontederia
Finish Winsome Wraith
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in Winsome Wraith
Finish Portman's Slough
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in Portman's Slough
Finish Grating Gulley
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in Grating Gulley
Finish Fool of a Stoat
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in Fool of a Stoat
Finish The Otters' Den
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in The Otters' Den
Finish Cavern Hole
Collect all documents and jam, learn all scents, meet all characters, and complete all objectives in Cavern Hole
Travel over X km on foot
Collect 25% of all jam
Collect 50% of all jam
Collect 100% of all jam
Log all the scents in your scout's journal
Unlock all the character profiles in your scout's journal
Present the complete memoir to Pickerel in Cavern Hole
Get every other acheivement available
Obtain the Starthistle Family Amulet
Obtain the Crystal Necklace
Obtain the Wayglass Polish
Hit a rat in the head with your slingshot
Get seen by a rat
Convince Tussa to tell you about her toad story
Learn your first scent
Pass the Scout initiation without making a mistake
Create a disgusting soup in The Scouts
Take a dip in the hot springs
Shoot all the fake rats in The Scouts with your slingshot
Finish The Pirates without being detected
Visit Jacques Tomb in The Pirates
Use the wayglass to locate the lighthouse
Prevent the rats from setting Thomas's house on fire in The Pirates
Open all of the shutters in The Catacombs
Light all the braziers in Catacombs
Use the sypglass to indentify the temple's weeping angels
Reflect on your wedding vows with your spouse
Collect the rat tooth in The Weret
Use wayglass to see the owl in The Weret
Complete The Lighthouse without dying
Use all of the upper paths in The Lighthouse in one run
Slingshot all destructibles in The Battle of Lilygrove
End the boat ride with all three hearts
Slingshot all destructibles in Old Moss Creek
Get frosty while attempting to recover the jam behind the mill
Wayglass the owl in Old Moss Creek
Slingshot all destructibles in The Captain
Get eaten by Captain Snow
Survive talking to Captain Snow without losing any hearts
Slingshot all destructibles in Silversands
Convince Glimber to go with you without losing any hearts
Send Glimber to his untimely demise in Silversands
Slingshot all destructibles in The Pantry
Call out Ichabod's exagerations in The Pantry
Slingshot all destructibles in Pontederia
Complete Pontederia without dying
Slingshot all destructibles in Winsome Wraith
Answer every stoat riddle correctly
Shimmy all the way around the chandelier in Winsome Wraith
Confront Bolo about the ominous letter in Winsome Wraith
Slingshot all destructibles in Portman's Slough
Sink every island in Portman's Slough
Convince Mila to go with you without losing any hearts
View fog, fog, and more fog at the cairn in Portman's Slough
Slingshot all destructibles in Grating Gulley
Find all traces of Bolo's passage in Grating Gulley
Convince Jeb to make up with his brother in Grating Gulley
Convince Jeb to stay mad at his brother in Grating Gulley
Slingshot all destructibles in Fool of a Stoat
Listen the the entire Sea Rat's shanty in Fool of a Stoat
Complete Cheesthief's dialog game with a perfect score in Fool of a Stoat
Slingshot all destructibles in The Otters' Den
Complete The Otters' Den without dying
Find Gloomer's skeleton in The Otters' Den
Slingshot all destructibles in Cavern Hole
Talk to every critter in Cavern Hole in one sitting