Code 7 Prologue by Kevin Glaap, Zein Okko 2015 (2 ratings)

Codetopia - A Code Adventure by Bits

Cold, by hardy (2012)
(1 rating)

Cold As Death, by Gorm (2010)
(1 rating)

Colditz by Tony Barber 1984 (1 rating)

Colditz Adventure by Unknown 1983

Colonists by Andrew Fuller 2013 (3 ratings)

Colorful Fruit, by Pasqual

Colossal Adventure by Pete Austin, Mike Austin, Nick Austin, James Horsler 1983 (4 ratings)

Colossal Cave Adventure, by Ross Harris (1985)

Colossal Cave Revisited, by Willie Crowther, Don Woods, David Baggett, Jeff Laing, Stephen Granade, Dave Picton (1996)

Cometfall, by Steve McCrea (2012)

Coming Home, by Andrew Katz (1997)
(3 ratings)

Commodore 64 Adventure, by Unknown

Community College Hero: Trial by Fire by Eric Moser 2015 (1 rating)

Como la Vida Misma (O Parecido), by Unknown (1990)

The Computer Club of Fear, by Nate Segerlind (1988)
(2 ratings)

Computer Lab Adventure, by D.B.T (2015)

Convention Blues, by Dorothy Millard (1994)

Conversations With Deleted NPCs by JoshLabelle 2020 (1 rating)