Tim's level is twice as high as Tom's.

In the Crisis Action game Tim's level is twice as high as Tom's.

Tim has higher rank than Tom.

Tim is ahead of Tom by two points (in rank).

Please check.

Number three is correct with or without in rank. The other two have errors.

GoesStation said:

Number three is correct with or without in rank. The other two have errors.

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What is the correct way to write first two sentences?

What I should be using in place of "in rank"?

tufguy said:

What I should be using in place of "in rank"?

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Nothing. Either include it in the sentence or leave it out. It's correct either way.

GoesStation said:

Nothing. Either include it in the sentence or leave it out. It's correct either way.

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Tom is ahead of Tim by two ranks. Is it correct?

What is the way to correct first two sentences?

In the Crisis Action game Tim's level is twice as high as Tom's.

Tim has higher rank than Tom.

Could you please tell me what is the correct way of writing these two sentences?

tufguy said:

In the Crisis Action game Tim's level is twice as high as Tom's.

Tim has higher rank than Tom.

Could you please tell me what is the correct way of writing these two sentences?

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The first should have a comma after game. The second needs an indefinite article before higher.

In Crisis Action, Tim is two levels higher than Tom.

As long as your listener is familiar with the game, they'll know what you mean. Anyone who's not familiar with the game won't care.

emsr2d2 said:

In Crisis Action, Tim is two levels higher than Tom.

As long as your listener is familiar with the game, they'll know what you mean. Anyone who's not familiar with the game won't care.

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In the Crisis Action game, Tim's level is twice as high as Tom's.

Tim has the higher rank than Tom.

Are these correct?

"Twice as high as" isn't the same as "two levels higher".

If Tom is ranked at level 6, and Tim's level is twice as high, then Tim is ranked at level 12.
If Tom is ranked at level 6, and Tim's level is two levels higher, then Tim is ranked at level 8.

GoesStation said:

The first should have a comma after game. The second needs an indefinite article before higher.

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tufguy said:

In the Crisis Action game, Tim's level is twice as high as Tom's.

Tim has the higher rank than Tom.

Are these correct?

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Tufguy,

Please review definite and indefinite articles.

GoesStation said:

Tufguy,

Please review definite and indefinite articles.

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I put a 'comma' after game and 'the' before higher rank.

tufguy said:

I put a 'comma' after game and 'the' before higher rank.

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"The" is not correct. Don't you know what an indefinite article is?

tedmc said:

"The" is not correct. Don't you know what an indefinite article is?

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Sorry no.

tedmc said:

"The" is not correct. Don't you know what an indefinite article is?

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Now I know, I just searched it. Okay "A" and "An" are indefinite nouns.

Tim has a higher rank than Tom. Is it correct now?

tufguy said:

Now I know, I just searched it. Okay "A" and "An" are indefinite nouns.

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Really, Tufguy?

tufguy said:

Now I know, I just searched it. Okay "A" and "An" are indefinite [STRIKE]nouns[/STRIKE].

Tim has a higher rank than Tom. Is it correct now?

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Yes. You made a mistake above though.

emsr2d2 said:

Really, Tufguy?

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Oh sorry, I wrote it by mistake.

You'd probably learn more quickly if you posted fewer sentences, and made sure they were right before posting.
This is a simple editing function which we all should do. We all make mistakes; but you almost always make mistakes - there's a difference.