Here is the full list of all 37 Tony Hawk's Pro Skater 1 + 2 trophies - there are 19 bronze, 13 silver, 4 gold and 1 platinum.
Complete all other Trophies!
Find every alien plushie.
Earn any 4 Medals on competition parks in Tours.
Unlock Bullring in THPS2 Classic.
Get hit by the Bull in Bullring.
Complete every goal in THPS2 Classic and gain all gold medals.
Get hit by a vehicle on every map that features them.
Find all Stat points for any Pro Skater.
Unlock Officer Dick.
Earn the "Veteran" Challenge Collection.
Earn the "Legend" Challenge Collection.
Complete all "Hard" Get-Theres.
Reach Career level 100.
Paint 100 surfaces in Graffiti across all playtime.
Give 50 Letters in Horse.
Complete all Gap collections.
Place 500 objects in CAP.
Bail a 100,000+ point combo.
Earn 5,000,000 points in Trick Attack across all playtime.
Earn 2,000,000 points in Combo Mambo across all playtime.
Unlock School in THPS1 Classic.
Earn a Medal on any competition park in Tours.
Unlock Roswell in THPS1 Classic.
Complete every goal in THPS1 Classic and gain all gold medals.
Unlock School II in THPS2 Classic.
Complete a match in multiplayer.
Create a skater using the CAS system.
Create a new park and upload it.
Spend $10,000 in the Skate Shop.
Earn the "Rookie " Challenge Collection.
Reach Career level 10.
Land a 50,000+ point combo.
Achieve a High Score of 1,000,000+ on any classic Park.
Land a 1,000,000+ point combo.
Achieve a High Score of 10,000,000+ on any classic Park.
Break 20 Panes of Glass.
Achieve a judge score of 99.9 on a competition run.