Blogarithm Contest #1: Strange PMs!
Objective: Come up with the a bizarre PM.
Contest Period: October 8-10, 2009
Winners: -Toa Lhikevikk-, HercuLesss, ChocolateFrogs, and Mesonak
Contest Fact: First Blogarithm Contest.
Blogarithm Contest #2: Subtitles!
Objective: Come up with a subtitle for Blogarithm.
Contest Period: October 22-25, 2009
Winner: Jonah Falcon
Contest Fact: First contest to have two rounds of voting (I | II)
Blogarithm Contest #3: Home Improvement!
Objective: Come up with a concept for an improvement to BZP.
Contest Period: August 27-September 4, 2010
Contest Fact: First contest to be canceled.
Blogarithm Contest #4: Fresh Salad!
Objective: Build a MOC that integrates a fruit or vegetable.
Contest Period: January 1-February 29, 2012
Winner: Sparkytron's Dr. Bananabot
Contest Fact: Aside from having the longest entry period, it was the first contest in which participants had to build a MOC.
Blogarithm Contest #5: Biographical!
Objective: Write Sumiki's staff biography.
Contest Period: June 15-23, 2012
Contest Fact: First contest to be judged by Sumiki, and the first contest without a guaranteed winner.
Blogarithm Contest #6: Topic Closed!
Objective: Create a hilarious topic-closing post.
Contest Period: September 19-26, 2012
Winner: Lego Obsessionist
Contest Fact: This contest had the most entries and was the first to feature a tiebreaker.