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