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