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