Major Mayhem had Steam trading card support added on April 1, 2014. There are 6 cards in the series, 3 of which you'll receive for purchasing and playing the game.
Trading Cards
Foil Cards
Badges
Level 1
Copper Guppy
Copper Guppy
Level 2
Pewter
Pew Pew
Pewter
Pew Pew
Level 3
Bronze Blaster
Bronze Blaster
Level 4
Silver Stalone
Silver Stalone
Level 5
Golden Gunner
Golden Gunner
Foil Badge
Ultra Arbitrator
Ultra Arbitrator
Booster Packs
Booster Pack
Emoticons
:MajorNinja:
(common)
(common)
:TheMajor:
(common)
(common)
:BigBear:
(uncommon)
(uncommon)
:President:
(uncommon)
(uncommon)
:DogOfWar:
(rare)
(rare)
Profile Backgrounds
Hench Hoarde
(common)
(common)
Trusty Leader
(uncommon)
(uncommon)
Choplift
(rare)
(rare)
