Here is the full list of all 36 BIT.TRIP RERUNNER achievements.
Access the in-game editor
Complete the Runner3 EP
Earn a DOUBLE PERFECT or better in all Runner3 EP challenges
Earn a DOUBLE PERFECT or better in all RERUNNER and bonus challenges
Complete all bonus challenges with obstacle density set to high and stair assist off
Complete the Runner2 EP
Earn a DOUBLE PERFECT or better in all Runner2 EP challenges
Complete the BIT.TRIP FLUX EP
Earn a DOUBLE PERFECT or better in all FLUX EP challenges
Complete the BIT.TRIP FATE EP
Earn a DOUBLE PERFECT or better in all FATE EP challenges
Complete the BIT.TRIP VOID EP
Earn a DOUBLE PERFECT or better in all VOID EP challenges
Complete the BIT.TRIP CORE EP
Earn a DOUBLE PERFECT or better in all CORE EP challenges
Complete the BIT.TRIP BEAT EP
Earn a DOUBLE PERFECT or better in all BEAT EP challenges
Complete 1-11 Odyssey in the original BIT.TRIP RUNNER on Medium Obstacle Density with Checkpoints and Stair Assist off
Complete the original BIT.TRIP RUNNER in the bonus challenges
Earn a DOUBLE PERFECT or better in all BIT.TRIP RUNNER challenges
Unlock every bonus EP
Unlock everything in the extras menus
Complete Triumph in BIT.TRIP RERUNNER
Earn a DOUBLE PERFECT or better in all Triumph challenges
Complete all BIT.TRIP RERUNNER challenges with obstacle density set to high and stair assist off
BURGER.MOUTH
Complete Tenacity in BIT.TRIP RERUNNER
Earn a DOUBLE PERFECT or better in all Tenacity challenges
Complete Impetus in BIT.TRIP RERUNNER
Earn a DOUBLE PERFECT or better in all Impetus challenges
Upload your first custom challenge
Like 10 player-created levels
Earn 100 likes from the community for a level you created
Complete at least one custom level from each level style
Get the game over
Earn every other achievement