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