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