Here is the full list of all 44 On Rusty Trails achievements.
Complete the game
Complete Inside The Machine
An exclusive visit to the space we work in
Don't die in the War
Collect and keep all tokens in the War
Complete It Is War
Get 5 War Machine kills
Complete The Other World
Collect and keep all tokens in the Other World
Sneak into the ordinary living room of an extraordinary couple
Complete The Factory
Don't die in the Factory
Collect and keep all tokens in the Factory
Complete These Mixed Quarters
The engine works hard to keep this game running.
Trigger 20 Bombs
Find a hundred tokens
Jump, like, 2000 times
Reveal the laboratory in which the inventor forged something useful
Complete Our City
Jump for the 1,000th time
Discover the place where the couple slept
Toggle your disguise one 100 times
Complete The Suburbs
There is more from Black Pants
Stumble over 5 tokens
Find the room the inventor grew up in
Collect and keep all tokens in the game
Perform 10,000 jumps
Don't die in the Suburbs
Don't die in the City
Don't die in the Mixed Quarters
Don't die in the Other World
Don't die in the Machine
Collect and keep all tokens in the Suburbs
Collect and keep all tokens in the City
Collect and keep all tokens in the Mixed Quarters
Collect and keep all tokens in the Machine
Clear every level without dying
Spot the room where the inventor started his career
Find the prison where the inventor's wife was captive
She liked the rain, so he invented something. Find the inventor's lab!
Find out what the inventor constructed during his college years
Leave no tokens to find for anyone