head to head
Sonic Eraser asks more than Red Dead Redemption 2, and the gap is reads.

Execution · Practiced Mastery
A cinematic open-world western leaning on shooting feel and atmosphere.

Optimization · Practiced Mastery
A falling-piece versus puzzle testing combo building against an opponent.
Red Dead Redemption 2 leans Execution (Practiced Mastery); Sonic Eraser leans Optimization (Practiced Mastery).
Red Dead Redemption 2 leans a little harder on execution, though the gap is small.
Red Dead Redemption 2
Gunplay and Dead Eye reward aim and timing.
Sonic Eraser
Placing pieces fast helps but isn't twitch-defining
Sonic Eraser leans clearly harder on reads.
Red Dead Redemption 2
Enemies use scripted AI patterns, not adaptation.
Sonic Eraser
Versus mode rewards predicting opponent's board state
Sonic Eraser leans clearly harder on variance.
Red Dead Redemption 2
Some hunting and weather randomness, lightly hidden.
Sonic Eraser
Falling piece order is randomized
Sonic Eraser leans clearly harder on optimization.
Red Dead Redemption 2
Loadouts and routes solvable but loose.
Sonic Eraser
Lining up combos efficiently to attack opponent is the loop
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.