Colossal Order

Background
Colossal Order is a Finnish video game developer founded in 2009 by Mariine Hallikainen. Their games, most notably Cities: Skylines, are all published by Paradox Interactive.

Logo (2011, 2013, 2015)
Visuals: On a black background, there is a big, blue square, and inside it are the large letters C and O above the company name, all in white and in a blocky font.

Technique: Simple fading effects.

Audio: None.

Availability: Seen only on Cities in Motion and its sequel and Cities Skylines.