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Yep. This could be because Nick Bostrom's original simulation argument focuses on ancestor simulations, which pretty much implies that the simulating and simulated worlds are similar. However here, in question 11, Bostrom explains why he focused on ancestor simulations and states that the argument could be generalized to include simulations of worlds that are very different from the simulating world.
Well... Bostrom says:
and from this point of view the physics doesn't have to match.