Here is the full list of all 36 BIT.TRIP RERUNNER achievements.
Complete at least one custom level from each level style
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
Earn a DOUBLE PERFECT or better in all BIT.TRIP RUNNER challenges
Complete the original BIT.TRIP RUNNER in the bonus 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 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
Unlock every bonus EP
Unlock everything in the extras menus
Complete Tenacity in BIT.TRIP RERUNNER
Earn a DOUBLE PERFECT or better in all Tenacity challenges
Access the in-game editor
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
Get the game over
Earn every other achievement