Here is the full list of all 37 Mortal Blitz (JP) trophies - there are 20 bronze, 13 silver, 3 gold and 1 platinum.
Collect all trophies
Clear all missions on all difficulties
Clear the 'Ambush' mission on Nightmare difficulty
Clear the 'Hunted' mission on Nightmare difficulty
Clear the 'Biohazard' mission on Nightmare difficulty
Clear the 'Pandora's Box' mission on Nightmare difficulty
Clear the 'Encounter' mission on Nightmare difficulty
Clear the 'Ambush' mission on Expert difficulty
Clear the 'Ambush' mission with at least 30% accuracy on Expert+ difficulty
Clear the 'Hunted' mission with at least 30% accuracy on Expert+ difficulty
Clear the 'Hunted' mission on Expert difficulty
Clear the 'Biohazard' mission with at least 30% accuracy on Expert+ difficulty
Clear the 'Biohazard' mission on Expert difficulty
Clear the 'Pandora's Box' mission on Expert difficulty
Clear the' Pandora's Box' mission with at least 30% accuracy on Expert+ difficulty
Clear the 'Encounter' mission on Expert difficulty
Clear the' Encounter' mission with at least 30% accuracy on Expert+ difficulty
Clear level 50 in training mode
Clear level 40 in training mode
Clear level 30 in training mode
Clear level 20 in training mode
Clear level 10 in training mode
Clear the 'Ambush' mission on Novice difficulty
Clear the 'Ambush' mission with at least 15% accuracy
Gained 150,000 points of Groggy Finish bonus
Clear the 'Hunted' mission on Novice difficulty
Clear the 'Hunted' mission with at least 15% accuracy
Clear the 'Biohazard' mission on Novice difficulty
Clear the 'Biohazard' mission with at least 15% accuracy
Clear the 'Pandora's Box' mission with at least 15% accuracy
Clear the 'Pandora's Box' mission on Novice difficulty
Clear the 'Encounter' mission on Novice difficulty
Clear the 'Encounter' mission with at least 15% accuracy
Clear the first mission
Gained 100,000 points of Groggy Finish bonus
Gained 50,000 points of Groggy Finish bonus
Play the tutorial for the first time