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