Here is the full list of all 50 The Lost Legends of Redwall: Escape the Gloomer achievements.
Finished Chapter One
Finished Chapter Two
Finished Chapter Three
Finished Chapter Four
Finished Chapter Five
Finished Chapter Six
Finished Chapter Seven
Finished Chapter Eight
Finished Chapter Nine
Play through game with autohints off
After entering 500 commands in the game
Jumped in crevice
Followed the pawprints
Danced while in Mushroom Cave
Knocked on Ancient Door
Fast traveled to Sulfur Cave
Shook bottle underwater
Hit Gloomer with knotted rope
Looked up at beach after dangling rope from small hole
Ruffled fur immediately after listening at cell door
Listened to Weasel Guard song
After hitting Gloomer with sling
After attempting to eat carrion fish
Player entered "SYS 32592"
Took item using The Force
Used LOL in a command
Tried to transport to another place
Skipped rock across lake
Climbed large rock on top of the Jumbles
Play in sand or build sandcastle
Looked through Larder window after it was empty
Player entered "Start Game"
Examined cliff outside Holt
Reached paw into spring
Said "Yoho"
Looked behind sign
Examined all rubble
Attempted to put out fire in firepit
Looked as Gloomer under ledge in underwater cave
Rode Stormfin
Rode Gloomer
Climbed the Post
Looked up behind waterfall
Examine waterfall from behind
Climbed shelves in Storage Cave
Drank Dandelion Cordial
Threw live glow worms into crevice
Typed "Escape the Gloomer" as first command
Typed in "Score"
Watched through end of credits