Here is the full list of all 41 Need for Speed Unbound achievements.
Complete 25 Lakeshore Online playlists
Collect all collectibles and get 3 stars on all activities
Smash all bear collectibles
Break all billboard collectibles
Collect all street art collectibles
Get 3 stars on all Speed Trap activities
Get 3 stars on all Long Jump activities
Get 3 stars on all Speed Run activities
Complete a Lakeshore Online playlist with 7 other players
Get 3 stars on all Drift Zone activities
Win a Tier S Lakeshore Online playlist
Win a Tier A Lakeshore Online playlist
Win a Tier S+ Lakeshore Online playlist
Win a Tier A+ Lakeshore Online playlist
Use max Burst Nitrous 5 times during Lakeshore Online events
Fully upgrade your Lakeshore Online garage
Win a Tier B Lakeshore Online playlist
Complete the Grand
Escape 50 cop chases
Complete Qualifier 3
Own 10 vehicles in your Lakeshore Online garage
Own 10 vehicles in your story mode garage
Earn $1,000,000 in story mode
Escape a Heat 5 cop chase in an A+ car
Fully upgrade your story garage
Bank $75,000 during one session
Complete Qualifier 2
Score 250,000 during a Takeover event
Complete Qualifier 1
Complete 30 street races in story mode
Complete 10 Takeover events
Reach 200MPH in story mode
Escape a Heat 5 cop chase
Score 200,000 during a Takeover event
Take down 5 cops within a single session
Use max Burst Nitrous 5 times during story mode events
Drive a total of 100 miles in story mode
Customize your Driving Effects
Complete the prologue
Apply a custom wrap to your ride
Customize your clothing