Here is the full list of all 48 OLDTV achievements.
The base game contains 32 achievements, and there is 1 DLC pack containing 16 achievements.
Old-Man Steps
Adult Steps
Pleb-ish stuff
Automation is the future
This needed a lot of focus - very well done if you achieved this
Don't confuse this with the other achievement
*cue destiny's child*
So you found the space bar
Teenage Steps
What a tease
Don't let mom know
Made it rain
Time to find space
Watermelon Central
You're color blind after all
Some people were born to cheat for this achievement
Backinmydaywedidnthavemiceweusedtoeatbricksforbreakfastandcrossthegrandcanyonjustsowecouldgotoschool!
Oranges, Walls & Salsa
Culture Shock
Preteen Steps
Pleb stuff
Baby Steps
4.436 Billion
Well done
Breed
Damn fine reflexes
Spending Time
Spending A Lot Of Time
THERE'S NOTHING LEFT TO DO - GOOD BYE!
Almost Pleb stuff
Seasonally Pleb stuff
Not Pleb stuff