Double Dragon: Neon had Steam trading card support added on 6 February 2014. There are 10 cards in the series, and you'll receive 5 cards at random for purchasing and playing the game.
Double Dragon Trilogy also has trading card support.
Trading Cards
Foil Cards
Badges
Level 1
The Mark
The Mark
Level 2
THe Follower
THe Follower
Level 3
The Servant
The Servant
Level 4
The Mark II
The Mark II
Level 5
The Professional
The Professional
Foil Badge
The Master
The Master
Booster Pack
Emoticons
:billy:
(Common)
(Common)
:geisha:
(Common)
(Common)
:jimmy:
(Common)
(Common)
:linda:
(Common)
(Common)
:marian:
(Common)
(Common)
:abobo:
(Uncommon)
(Uncommon)
:roxy:
(Uncommon)
(Uncommon)
:warlock:
(Uncommon)
(Uncommon)
:mbiker:
(Rare)
(Rare)
:skully:
(Rare)
(Rare)
Profile Backgrounds
Alleyway At Night
(Common)
(Common)
Warehouse
(Common)
(Common)
Store
(Uncommon)
(Uncommon)
Tapesmith
(Rare)
(Rare)
