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