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 'Loot Tony's Barn'
Complete 'South Mine Spelunking'
Complete 'North Mine Mystery'
Complete 'Bunker Break-in'
Complete 'Mob Camp Infiltration'
Complete 'Canyon Caper'
Complete 'Light in the Dark'
Complete 'Journal Returnal'
Complete 'Boulder Field Pages'
Complete 'Cloud Climber'
Complete 'Lockpick O'Clock'
Complete 'Swamp Swimmer'
Complete 'The Pickle Mission'
Complete 'Deconstruction Project'
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
Complete 'A Mine, or a Tomb?'
Complete 'Bug Spray Blaze'
Complete 'Fetch Scraps from Candice'
Complete 'Baby's First Mission'
Defeat Charles in Nightmare Mode