Here is the full list of all 48 Session: Skate Sim achievements.
Manual for a total of [21] km
Slide / Grind for a total of [42] Km
Perform [500] Lipslides
Perform [500] Boardslides
Perform [500] Feebles
Perform [500] Inward Heelflips
Perform [500] Smith grinds
Perform [500] Laser Flips
Perform [500] Crooked grinds
Perform [500] 360 Flips
Perform [500] Hardflips
Perform [500] Tailslides
Perform [500] Noseslides
Perform [500] 50-50
Perform [500] Nose grinds
Perform [500] 5-0 grinds
Perform [1001] Heelflips
Buy [100] customised items at the shop
Perform [1001] Kickflips
Complete all historical challenges
Complete all the historical challenges in San Francisco
Complete all the historical challenges in NYC (Includes Pyramid Ledges, Black Hubba, LES Coleman, Highline Bridge, Jerome Banks)
Complete all the historical challenges in Philadelphia
Visit all cities apartments (HUB)
Buy [50] DIY items from the shop
Complete all Torey Pudwill missions
Complete all Jahmir Brown missions
Complete all Samaria Brevard missions
Complete all Antiferg missions
Complete all Billy Marks missions
Complete all Daewon Song missions
Complete all Louie Barletta missions
Complete all Annie Guglia missions
Complete all Manny Santiago missions
Complete all Dane Burman missions
Complete all Beagle missions
Completed all RIBS MAN missions
Reach Pro status with “Manual” catch ON (From 1st quest to Pro)
Reach Pro status
Complete all the pros challenges (All pro story arcs)
Complete all Donovan Strain missions
Reach Am status
Complete all Nora Vasconcellos missions
Complete all Ryan Thompson missions
Reach Flow status
Complete all Mark Appleyard missions
Reach Shop sponsored status
Complete the tutorial