20 earned across 2 games
somewhere in 40 games
Combat Action Badge Medal 
Overmind Decal 
MARPAT Camouflage 
Tech Camouflage 
Twinkle Toes Skill Identifier 
Discipline Skill Identifier 
Barbaric Skill Identifier 
Power User Skill Identifier 
Whiz Kid Skill Identifier 
Heavy Armor Skill Identifier 
Sergeant First Class Enlisted 
Chief Warrant Officer 3 Warrant Officer
A game's rewards are read from the save file the player carried into their next game, so the most recent game never shows any until another is uploaded.