Full list of all 53 Tiny and Big: Grandpa's Leftovers achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Find every Boring Stone in the third level.
Find all the machines!
I hate pigeons! No poison in the house, a laser will do.
Late revenge for clogging up my basement!
Be strong and never die.
Find every Boring Stone in the second level.
To cure your loss, you have to give in to those aggressive feelings.
Become a Master of the Rocket.
He, who is made of pixels.
In Your FACE!
Squeak, Piggy, squeak!
The axe must swing to get it on.
Finish a level without using the Laser.
Evade those stones!
Groupies sneak backstage.
Make a lot of rubble.
Some Gods must fall.
Perfect lookout, isn't it?
Be brave and stay alive!
Find the Manifestations of Arrogance.
Find every Boring Stone in the first level.
Collect music for ages.
Pattern Shmattern.
Finish a level with less than the given number of cuts.
Finish a level without using the Claw.
Finish a level without using the Rocket.
Complete the game.
Run, Run, Run!
Find trace of the secret Gods.
Some Gods have to be found.
Maybe a future job career?
Use the Rocket 50 times.
Use the Laser 50 times.
Collect all tapes in one level.
This hole is hungry.
Finish a level with the given number of cuts.
Don't fail on the first try, will you?
Collect one Boring Stone.
Play every Reality Boy (TM) level.
Collect one thousand Boring Stones.
Find every Boring Stone in the fourth level.
Find every Boring Stone in the fifth level.
Find every secret God disc in the game.
Use the Laser a thousand times.
Use the Rocket a thousand times.
Out of kilter, out of sight.
Don't smush yourself!
Fear of the dark?
Even dark gods want attention.
Don't be afraid, be brave and stay alive!
A crossed bridge is useless, especially if it's broken anyway.