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