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