60 earned across 11 games
somewhere in 85 games
Blue Diamond Decal 
Overmind Decal 
Olive Camouflage 
Discipline Skill Identifier 
Intellectual Skill Identifier 
Self-Sufficient Skill Identifier 
Power User Skill Identifier 
Field Support Skill Identifier 
Light Armor Skill Identifier 
Combat Load Skill Identifier 
Command Sergeant Major Enlisted 
Chief Warrant Officer 2 Warrant Officer
somewhere in 22 games
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.