Full list of all 25 Choo-Choo Charles achievements. It takes around 2-3 hours to unlock all of the achievements in the base game on Windows.
The base game contains 24 achievements, and there is 1 DLC pack containing 1 achievements.
Complete 'Mob Camp Infiltration'
Complete 'Deconstruction Project'
Complete 'Cloud Climber'
Complete 'Journal Returnal'
Complete 'Canyon Caper'
Complete 'The Pickle Mission'
Complete 'South Mine Spelunking'
Complete 'Bug Spray Blaze'
Complete 'Lockpick O'Clock'
Complete 'Swamp Swimmer'
Complete 'Fetch Scraps from Candice'
Complete 'Loot Tony's Barn'
Complete 'Baby's First Mission'
Complete 'North Mine Mystery'
Complete 'A Mine, or a Tomb?'
Complete 'Bunker Break-in'
Complete 'Light in the Dark'
Complete 'Boulder Field Pages'
Open the temple of Charles
Fully upgrade your speed
Fully upgrade your armor
Fully upgrade your damage
Collect all eleven paint cans
Live happily ever after
Defeat Charles in Nightmare Mode