Marius Müller is a video game developer that created the text adventures AFGNCAAP - IF Agent! Todays Adventure: Holy Goat!, Bedtime story, Blue, Bored Ladders, By the Lake, Clockwork Boy 2, Cragne Manor, The Day I came back, The Day I died, The day I hugged Ghandi!, The Day I mauled ..., The Day I saved Elvis, The Day I shot ..., The Day I shot Alex, The Day I stabbed Stalin, The Day of the Queen, The Day time stood still, The Day we got a pet, A dead man's hug, Es kam aus den Alpen, Explore!, The extraordinary events of the last day of Professor Mangleworth, House of Dream of Moon, HTP, IF Progressive One, IF Whispers 5, Jack in the box, The Lighthouse, The man-eating, halitosic gorilla of Brazil, The Nessa Springs Slasher, The Oldest Hangover on Earth, Parasites, PataNoir (German translation), Pick up the pine box and die, Schießbefehl, The tale of the cursed eagle, Tales of a Clockwork Boy, Teaching her to dance, and What Happens in Vagueness.