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