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