Here is the full list of all 18 Blizzard Arcade Collection trophies - there are 4 bronze, 3 silver, 10 gold and 1 platinum.
Play a multiplayer race in the Definitive Edition of Rock N Roll Racing
Win the last battle with Sarlac while still at full health
Beat the 32-bit version of Blackthorne
Find the Lost Vikings in the 32-bit version of Blackthorne
Beat the GEN version of The Lost Vikings
Beat any classic version of The Lost Vikings without using rewind
Beat the SNES version of The Lost Vikings
Beat the SNES version of Blackthorne
Beat any classic version of Blackthorne without using rewind
Witness your first Viking funeral in the classic games
Complete the Practice mode in any classic version of Blackthorne
Obtain all other trophies
Beat the Definitive Edition of Rock N Roll Racing
Beat the SNES version of Rock N Roll Racing
Beat the GEN version of Rock N Roll Racing
Complete a rookie season in the Definitive Edition of Rock N Roll Racing
Complete a veteran season in the Definitive Edition of Rock N Roll Racing
Beat any classic version of Rock N Roll Racing without using rewind