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