Here is the full list of all 48 Gibbous - there are A Cthulhu Adventure achievements.
Arrive in Transylvania
Here, of all places!
Arrive in Paris
Read 10 case files
Use Haunter’s Mark for the first time
Found Olmstein’s Sign
Changed a life for the better
Kitteh, for your listening pleasure!
Arrived in Fishmouth
Do I look heavier?
Rubbin’ things together
Examined 100 hotspots
Read and remembered the correct Voodoo sequence
Skippin’ screens
Make a couple of friends in Darkham
Kitteh, help?
I wonder if this fridge is empty...
Your trembling hands grab the Necronomicon!
Gotta read’ em all!
Use items on hotspots 100 times
Punched it. Nothing happened.
Harbors make me want to sing out loud
Mr.Scruff has some Fish for you
Give Milton soda before he suggests it
Call Serge 15 times
Got the pentagram sequence right the first time around
Have the Art Critic examine 5 items
You can drink it. Twice!
Kitteh attacked the hatch one too many times
I didn’t really need these.
Can you tell me about the mural again?
I had to stick around and hear what happens!
I can see my house from here!
Used the bent fork to open the chest
Beat Vlad on your first try
Solved the planet puzzle on your first try
Goin’ on a date
Goin’ on a weird date
Why, yes, I do smell like dead fish!
Arrived at the Festival
Trip up the Doomsayer on your first try
Hit all the cultists with pebbles
Arrived at Point Nemo
Transformed Kitteh 30 times
Buzz. Don. Barnabas. Peace.
Examined everything in Olmstein’s lair
Time to rock’n roll!
Thank you all. We love you.