Here is the full list of all 31 Crashbots achievements.
Find your first robot part.
Complete a level with 3 stars.
Complete all levels in the Tutorial world with 3 stars.
Complete the tutorial.
Upgrade one robot part.
Complete all levels in the Factory world with 3 stars.
Complete all levels in the Forest world with 3 stars.
Complete all levels in the Haunted House world with 3 stars.
Complete all levels in the Wild West world with 3 stars.
Complete all levels in the Neon world with 3 stars.
Defeat the boss in the Factory world.
Defeat the boss in the Forest world.
Defeat the boss in the Haunted House world.
Defeat the boss in the Wild West world.
Defeat the boss in the Neon world.
Complete all goals in the Factory world in the Endless Game Mode.
Complete all goals in the Forest world in the Endless Game Mode.
Complete all goals in the Haunted House world in the Endless Game Mode.
Complete all goals in the Wild West world in the Endless Game Mode.
Complete all goals in the Neon world in the Endless Game Mode.
Complete a level with 99% accuracy or higher.
Complete a level with 99% or higher energy left.
Unlock Robot TOY-42.
Unlock Robot PGBT-3.
Unlock Robot TNK-69.
Unlock Robot MGBT-1404.
Upgrade all parts of a single robot.
Completely upgrade every robot.
Complete 25 missions.
Complete 50 missions.
Complete 100 missions.