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