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