head to head
Domino Earning World asks more than Tabletop Simulator, and the gap is reads.

Reads · Bluff & Deduction
An online dominoes platform testing tile counting and reading opponents.

Reads · Bluff & Deduction
A physics sandbox whose actual skill test is whatever board game you load into it.
Domino Earning World leans Reads (Bluff & Deduction); Tabletop Simulator leans Reads (Bluff & Deduction).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Domino Earning World
Placing tiles requires no physical skill
Tabletop Simulator
Fiddly physics manipulation, never a skill ceiling
Domino Earning World leans clearly harder on reads.
Domino Earning World
Human opponents at the table can be modelled in tournaments
Tabletop Simulator
Depends entirely on the tabletop game played with humans
Domino Earning World leans clearly harder on variance.
Domino Earning World
Drawn tiles are hidden information driving each hand
Tabletop Simulator
Dice and shuffled decks supply whatever randomness the game has
Domino Earning World leans clearly harder on optimization.
Domino Earning World
Tile-counting and blocking strategy are learnable systems
Tabletop Simulator
Strategy lives in the hosted game, not the simulator
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.