All Achievements You Will Achieve Just By Playing Through The Story :

Minimum Effort
Woo, you started the game!

Thunderliscious!
Unlock Thunder

Chilly!
Unlock Snow

Windy!
Unlock Tornado

Winner Is You!
Beat the Game

Some Of These Achievments Can Be Obtained During First Playthrough, But I Went Back And Did These On Second.

Beach Party!
Not A Rain Drop Was Wasted.
For This Achievement Load Up Level "Beach" & Tornado All Humans Into The Water.

Break The Game
You broke the game :(
In "Level 50" Mess With Computer, Crashing The Game.

Stylish Cloud
Wear Sunglasses At Night
Wear The Sunglasses Achieved in "Beach" Inside Of Level "Spoopy Forest Road"

Achievement Cat
Meow meow secret achievment meow
Once You Have Thunder Ability, Go To The Top Left Of The HUB World & Thunder Down On The Giant Grey Rock Beneath The Level "The Late Cretaceous"

Gotta Go Fast
Get the Cloudbot ball moving over 200 m/s
In The "CloudOut" Level. Super Easy With Tornado Powerup. Just Tornado And Whip It At The Wall.

Popcorn. Yum!
Make some popcorn
Go Into "Farm" Level. Do NOT Grab The Toxic Waste Power, Stay With Your Water. Go Down To The Crops Just South Of You, Water Them And Shock Them With Your Thunder.

Gravity Gun
Beat First Person Cloud without picking up any ammo
For The Arcade To Unlock In Your Home, You Need To Beat The "DreamQuack" Level.
Go To Your "Homely Abode" By Pressing Back Button On Controller, & Play The Arcade Game. ***I Think This Was Patched. I Achieved by Dying While Trying(Could've Been A Glitch) Now I Guess You Would Have To Complete The Level The Way It's Intended!*** GOOD LUCK!

Such Strategy, Very Tactic
Do not let Seattle take any damage
In Level "Seattle Defense" Do Not Take Any Damage. Very Easy.

Time To Spare
Commentary on filler content to pad play times, or just lazy design? You tell us!
On The Level "DO NOT MOVE" Do Not Move For 1 HOUR. Real Time. Super Easy, But Time Consuming - Needs To Be Active Window, Otherwise Timer Will Not Go Up.

Master Thief
Steal all the paintings from the museum
Just Use Your Tornado In The "Museum" Level To Pull All 14 Paintings Out. Doesn't Matter If You Set Off Alarm.

Pool Party!
Everybody in the pool!
In Level "Villa Del Dryspell" Throw All Hoomans In The Pool. Easy With Tornado Power.

The Texan
Spook hoomans with a chainsaw
Get The Chainsaw Cosmetic From The Level "It Came From The Sky" Put It On, And Then Enter "Cloudy Hill" And Scare Hoomans With It.

These Are All Done In NEW GAME+
Pretty Self Explanatory, Just Move Fast & Don't Get Hit! All Are Very Easy To Do.

Canyon Master
Get through the Dryspell Canyon within the time limit and without getting hit.

Party Crasher
Crash Dryspell's Resort within the time limit and without getting hit.

Lava Cave Master
Beat the Mt. Dryspell within the time limit and without getting hit.

Infiltrator Master
Infiltrate Dryspell's Secret Base within the time limit and without getting hit.

Giving This One Its Own Lil Category Here. I Did This All In One Sitting, After I Had Completed Everything Else, & Atleast Getting The Main Objective Done & Raining On The Human, Before Quitting Each Level.

For This Achievement You Want To Rain On All The Hoomans That Are Holding The "I <3 Cloud" Signs Throughout The Levels.

1. The Beach
Top Of The Level.

2. The School
In The Top Right Of The Cafeteria, Next To The Cooks.

3. The Farm
Form Starting Point Go South West, Standing In Some Crops Next To The Big Windmill.

4. Campground
From Start, Go North Until You Get To The Intersection, Go Left & Down Towards The Sheep & Fire/Tent. The Hooman Will Be On The Wall Right Of The Fire.

5. Going To Work
Right In The Open As You Rain On The Businessman.

6. Villa Del Dryspell
Bottom Left Next To The Pool.

7. Quiet Mountain Town
From Start Go All The Way to The Left By The SCP Truck.

8. The Cloud News Channel
Right Below The Green Screen Where The Weatherman Is

9. At The Grocer
From The Start, Go To The Bottom Left.

10. Dust Devil Crossroad
From The Start, Go To The Right And Follow The Train Tracks Upward.
He Will Be On The Left! SNOW ON HIM. (Do NOT Rain) Or You Will Fail The Level.

11. Tinseltown
Before You Grab The Purple Orb. Move Up From Starting Point. He Is Standing The Open.

12. Parade
Move Right, He Is In The Open On Top Of A Bus Stop.

THE LAST FOUR ARE ALL FOUND IN THE OVERWORLD OF THE GAME.

13. SOUTH OF "SHEPARD" Level.
Right Below The "Shepard" Level. Hit The Rock With Thunder To Find The Hooman.

14. ISLAND Hooman
From That Previous Hooman(#13), Push Straight North & He Will Be On The Yellow Island With A Single House In The Middle Of The Ocean.

15. RIGHT BELOW "Snow Theater"
He Is Standing In The Overworld Right Below Where You Learn How To Use Snow

16. NORTH OF "Tornado Theater"
In The Overworld, Right Above The Level Where You Learn How To Use Tornado