Contrast had Steam trading card support added on 15 November 2013. There are 6 cards in the series, and you'll receive 3 cards at random for purchasing and playing the game.
Trading Cards
Foil Cards
Badges
Level 1
Vinyl Record
Vinyl Record
Level 2
Director's Clap
Director's Clap
Level 3
Gramophone
Gramophone
Level 4
Film Roll
Film Roll
Level 5
Dawn Coin
Dawn Coin
Foil Badge
Dawn Portrait
Dawn Portrait
Booster Pack
Emoticons
:clock:
(common)
(common)
:film:
(common)
(common)
:insect:
(common)
(common)
:clap:
(uncommon)
(uncommon)
:Dawn:
(uncommon)
(uncommon)
:DawnShadow:
(rare)
(rare)
Profile Backgrounds
Dawn
(common)
(common)
Kat and Johnny
(common)
(common)
Didi
(uncommon)
(uncommon)
Didi and her imaginary friend
(rare)
(rare)