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