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