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