head to head
Make it Meme asks more than Garry's Mod, and the gap is reads.

Reads · Light / Casual
Source-engine sandbox whose community modes range from building to social deduction.

Reads · Bluff & Deduction
A party game writing meme captions and reading what fellow players will vote funny.
Garry's Mod leans Reads (Light / Casual); Make it Meme leans Reads (Bluff & Deduction).
Garry's Mod leans a little harder on execution, though the gap is small.
Garry's Mod
Varies by mode; base sandbox is undemanding
Make it Meme
Typing captions, no twitch demand
Make it Meme leans clearly harder on reads.
Garry's Mod
Social deduction modes like TTT involve humans
Make it Meme
Gauging what human players will find funny to win votes
Make it Meme leans a little harder on variance, though the gap is small.
Garry's Mod
Hidden roles and player chaos in popular modes
Make it Meme
Random meme templates dealt each round
Garry's Mod leans a little harder on optimization, though the gap is small.
Garry's Mod
Contraption building rewards systems knowledge
Make it Meme
Little to solve beyond reading the room's humor
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.