You should check the license agreement that came with the game to see if it allows you to run it on multiple computers. Different game portals may have different license agreements. The license agreement that governs the version of Fish Tycoon that I downloaded from the LDW site says this:

Quote:

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We hereby grant you a nonexclusive license to use one copy of the Software on any single computer, provided the Software is in use on only one computer at any time. The Software is "in use" on a computer when it is loaded into temporary memory (RAM) or installed into the permanent memory of a computer, for example, a hard disk, CDROM or other storage device.

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