Here is the full list of all 24 Riptide GP: Renegade achievements.
Find nine Easter Eggs.
Break all the fountains in Fountain Park.
Perform the Logroll stunt off a log jump in Firewater.
Continuously boost for 30 seconds on any level.
Earn 1st place in all Career events.
Earn 2nd place or better in all Career events.
Own 9 hydrojets in Career.
Beat Lt. Pane in the second Vyper sidequest.
Find one Easter Egg.
Jump through all the radar dishes in Unicorn Base.
Beat Krex in the final showdown in Career.
Reach level 20 in Career.
Beat Weaver in the second 0xDEADBEEF sidequest.
Own 4 hydrojets in Career.
Reach level 15 in Career.
Perform a level 10 stunt off a wave in The Ruins.
Earn 1st place in any Career Championship event.
Reach level 10 in Career.
Earn 1st place in any Freestyle event.
Upgrade any hydrojet to its max.
Reach level 5 in Career.
Earn 1st place in any Elimination event.
Earn 1st place in any Slalom event.
Earn 1st place in any Race event.