completist

completist

(kəmˈpliːtɪst)
n
(Other Non-sporting Hobbies) a person with an obsessive interest in a subject: ardent John Wayne completists.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

com•plet•ist

(kəmˈpli tɪst)
n.
a collector who attempts to collect an example of every item in a particular field.
[1950–55]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
It's a completist's dream and nightmare rolled in to one, and I died more than a few times trying to reach some of the more taxing collectibles.
He said: "Every so often one gets lost in the post and there are a couple of manic phone calls to find out what happened." The selfconfessed completist, who also has nearly all Now That's What I Call Music!
If you're a completist, then, or have favourite shows on all the services, this is the one to go for.
But it hasn't always been a smooth journey for Brian Rosman, the calendar's creator, a healthcare access advocate who lives in the Boston area and is a Simpsons Jewish humor completist: After all, he watches each new episode, even a decade into the show's horrific and unwatchable twilight.
Central to this interval-less recital was the Britten, Barley, well up to the demands of this completist farrago of cello techniques, performing with an individuality which bravely ignored the spirit of the work's dedicatee, Mstislav Rostropovich, which might have been looking over his shoulder.
The completist angle is important, too, the tantalizing--or is it nauseating?--idea that everything ever streamed through a screen is archived somewhere, to be cut, spliced, and made new.
The early work of a renowned author is typically a literary curiosity, the province of the completist or academic.
In the music game, he's what's known as a completist. In a similar vein, the two binocular items highlighted this month are challenging objects that will appeal mostly to Messier completists.
Gabbard gives a valid psychoanalytic explanation of this completist's behavior, suggesting that this is the persistence of the "anal stage," when children take special pleasure in holding on to material that should have passed out of their bodies.
Throughout the book, there are nuggets of gold, not to mention a completist's dream of regional brewing styles, phone numbers of breweries which accept visitors and tasting notes.
In literary scholarship and criticism there are what Westfahl has called "completist" and "selectivist" approaches ("The Undiscovered Country," Foundation 60 [1994]: 85 f.).