Here is the full list of all 28 Steins;Gate 0 trophies - there are 10 bronze, 12 silver, 5 gold and 1 platinum.
100% Completed Steins;Gate 0.
Cleared “Vega and Altair”.
Saw all CG.
Cleared “Milky-way Crossing”.
Saw all TIPS.
Cleared “Presage or Recognize”.
Cleared “Recursive Mother Goose”.
Saw 75% of CG.
Cleared “Promised Rinascimento”.
Cleared “Anitomic Dual”.
Cleared “Twin Automata”.
Opened Movie Library.
Saw 50% of CG.
Cleared “The Orbital Eclipse”.
Opened Sound Library.
Opened CG Library.
Cleared “A Stray Sheep”.
Opened Clear List.
Cleared “Gehenna's Stigma”.
Read and ignored a message.
Cleared “Pandora's Box”.
Cleared “X-Day Protocol”.
Saw 25% of CG.
Cleared “Closed Epigraph”.
Cleared “Missing Link”.
Answered a message from someone.
Opened TIPS List.
Began Steins;Gate 0.