26 earned across 6 games
somewhere in 9 games
Guess who is behind you Skill Identifier 
Enhanced Weaponry Alligator LK19 - Auxiliary Generator Alligator LK19
- Reconfigured Energy I Alligator LK19
- Reconfigured Energy II Alligator LK19
- Improved Rockets I Alligator LK19
- Improved Rockets II Alligator LK19
- Improved Rockets III Alligator LK19
- Improved Rockets IV Alligator LK19
- Improved Rockets V Alligator LK19
Floodlights Predator - Predator MK II Predator
- Flare Gun Predator
- Predator MK III Predator
- Auxiliary Shield Generator Predator
Command Sergeant Major Enlisted 
Brigadier General Commissioned Officer
somewhere in 5 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.