Full list of all 33 Rain on Your Parade achievements worth 1,500 gamerscore. It takes around 6-8 hours to unlock all of the achievements in the base game.
The base game contains 22 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 11 achievements worth 500 Gamerscore.
Get the CloudOut ball moving over 200 m/s.
Unlock Snow
Wear Sunglasses at Night
Make some popcorn.
Unlock Thunder
Wooo, you started the game!
Soak all your Fanboys
Unlock Tornado
Beat the Game
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Not a rain drop was wasted.
Everybody in the pool!
Beat First Person Cloud without picking up any ammo.
Steal all the paintings from the museum.
Do not let Seattle take any damage
Get through the Dryspell Canyon within the time limit and without getting hit.
Crash Dryspell's Resort within the time limit and without getting hit.
Infiltrate Dryspell's Secret Base within the time limit and without getting hit.
Beat the Mt. Dryspell within the time limit and without getting hit.
Meow meow secret achievement meow.
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Win the Game Show
Win High Score on Cloud n Beats
Defy Jakub's will
Don't let Cloudy soak anyone in Shine on Your Day
Beat SHMUP level without getting hit
Complete all DLC levels