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