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