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