Full list of all 20 Ridiculous Marathon achievements worth 200 gamerscore. It takes around 20-25 hours to unlock all of the achievements on Windows Phone.
Purchase all main character cosmetics
Purchase all piñata cosmetics
Upgrade all powerups to maximum level
Beat the score: 500.000
Get x50 multiplier during a game
Get x20 multiplier completing misions
Purchase a piñata cosmetic
Crash while using a piñata 10 times
Get a mysterious box with the daily challenges
Complete a weekly challenge
Beat the score: 100.000
Revive three times in the same game
Purchase a main character cosmetic
Use a magnet and a jetpack at once
Get x5 multiplier completing misions
Get the first level of all powerups
Beat the score: 15.000
Use the double jump to jump on a log
Beat the score: 5.000
Complete a daily challenge