Here is the full list of all 45 Tony Hawk's Pro Skater 5 achievements worth 1,000 gamerscore.
Rated 25 total Create-a-Park levels made by other players
Rated 10 total Create-a-Park levels made by other players
Rated a Create-a-Park level made by another player
Uploaded a Create-a-Park level
Complete all Skate Tutorial Missions
Reach Player Level 10
Acquire $25,000 total Cash across all Careers
Unlock Bonfire Beach
Unlock School III
Unlock Mega Park
Unlock Rooftops
Unlock The Bunker
Unlock Asteroid Belt
Achieve a Sick Score on all Missions in The Berrics
Achieve a Sick Score on all Missions in Bonfire Beach
Achieve a Sick Score on all Missions in School III
Achieve a Sick Score on all Missions in Mega Park
Achieve a Sick Score on all Missions in Rooftops
Achieve a Sick Score on all Missions in The Bunker
Achieve a Sick Score on all Missions in Asteroid Belt
Complete all Freeskate Objectives in any Level
Complete all Gaps in any Level
Bail 750 number of times
Grind for 200,000 total meters across all games
Manual for 100,000 total meters across all games
Acquire the Master Emblem for any Level
Perform 25,000 total Tricks across all games
Achieve a score of 50,000,000 across all games
Achieve a Combo Multiplier of 25 in any mode
Perform 500 Special Tricks
Reach Player Level 25
Reach Player Level 50
Complete your first PRO Mission on any level
Complete all PRO Missions in any level
Land a 250,000 Point Combo in any mode
Purchase an item in Customize Skater
Earn a Stat Point by completing a mission at Pro Level
Earn 100 total Stat Points
Earn 250 total Stat Points
Acquire 10 new Heads
Acquire 10 new Bodies
Acquire 10 new Decks
Unlock 10 Emblems
Unlock 25 Emblems
Unlock 50 Emblems