Here is the full list of all 105 Bum Simulator achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Earn 500$.
Apply a costume to your pigeon.
Collect all costumes for your pigeons.
Find all feathers.
Find 25 feathers.
Complete the main story.
Attempt to interrupt the villain's monologue.
Solve the EvilWay maze.
Attain level 30.
Die of hunger.
Place antennas in three different bases.
Die of dehydration.
One-shot a Bug Shaman with an electrifying projectile.
Try to get money from the BPD.
Get a grade of F when drawing.
Urinate on a puking person.
Sleep on a bench for at least 8 hours.
Take a shower.
Hang a tribute for your best friend in your base.
Urinate on your own fridge.
Pawn 0.01$ worth of items.
Roast a vegetable or a fruit.
Discover the Flash Bourbon recipe.
Discover the Green Goo Vodka recipe.
Destroy the armor of a Bug Knight with an exploding projectile.
Charge the battery.
Discover the Clown Royale recipe.
Get into a fatal traffic accident.
Earn 50 respect.
Collect all blueprints.
Cook the Bum's Special.
Complete all Trixie's side quests.
Complete all Mr. Jello's side quests.
Complete all Dr. East's side quests.
Fully upgrade Peckers.
Catch 10 things in a single Pigeonado.
Complete all Richman's side quests.
Throw a Bug into the ocean.
Liberate all base locations.
Complete a Trixie's side quest.
Earn 100$.
"Win" the fight on the rooftop.
Get electrocuted.
Retrieve the EvilWay security key card.
Feed Little Bro.
Fully upgrade Pigeonado.
Harvest a sustainable homegrown plant.
Acquire resources from a minion sent on a mission.
Produce a pack of cigarettes.
Create paper for the first time.
Smelt copper for the first time.
Recruit a Creep in your base.
Fully upgrade Pigeon Shuriken.
Smelt aluminum for the first time.
"Pick" a lock.
Complete all shooting gallery side quests.
Buy a drink or snack from a vending machine.
Try Italian cuisine.
Prepare Hot Dogs for beachgoers.
Complete a Mr. Jello's side quest.
Find 10 feathers.
Drown.
Attain level 15.
Earn 10 respect.
Complete a Dr. East's side quest.
Transport a passenger on Carl.
Knock a corrupt politician down a peg.
Find the Safehouse.
Pay off a bug raid.
Fall from too high.
Collect 10 blueprints.
Liberate another base location.
Paid (with) your respects.
Finish the investigation of the EvilWay secret EvilLab.
Destroy EvilWay's surveillance equipment.
Interact with a phone booth.
Complete the presentation of Fus Doh Beer.
Meet the good doctor.
Support John's business.
Blow up.
Attain level 8.
Accelerate plant growth with guano.
Defend successfully from a raid.
Harvest any homegrown plant.
Decide to defend your base.
Earn some respect.
Complete one shooting gallery side quest.
Find a feather.
Try American cuisine.
Complete a Richman's side quest.
Become a five-star player.
Support Richard's business.
Deliver Mr. Jello's package.
Meet the Pigeon Lady.
Obtain a free product from a vending machine.
Level up.
Earn 25$.
Fill Carl's inventory.
Collect a blueprint.
Learn about Shuriken Pigeon.
Get Bugzy his due.
Learn to work for change.
Achieve a grade of A when drawing.
Consume your first find.
Listen to the whole main menu song.