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