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