Here is the full list of all 12 Johnny Turbo's Arcade: Gate of Doom trophies - there are 8 bronze, 3 silver and 1 gold.
Congratulations! You made it to the High Score Of 500,000 or higher.
Play for a while with a friend!
Congratulations! You made it to the High Score Of 250,000 or higher.
Congratulations! You have played the game for over an hour!
You used out a different screen style.
Achieve a highscore on all four heroes.
Highscore of 50,000 or higher on the ninja.
Highscore of 50,000 or higher on the wizard.
Highscore of 50,000 or higher on the bard.
Highscore of 50,000 or higher on the knight.
Play for 30 minutes or more.
Play for Five minutes or more.