I play tested it and it seems to be pretty balanced but I would like to hear your opinions and suggestions. Apparently the jpeg program isn't working so sorry for not having a pic.

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Anyways, the odd positioning of the start locations and the minerals makes for much slower mineral income, which would make it imbalanced for races or builds more dependent on minerals.
Also, the natural expansion can be easily tanked (or stormed) from below the cliff. You should extend the high ground so they at least have to drop on the same height level.
Those bridges seem too tight; maybe you should widen them.
Some of the expansions' resource positioning makes it so you have to build a command center at a farther location than usual.

The top base has the best advantages. Especially since they can reach the middle island base the fastest.

the left island also should have mienrals, or it is unbalanced :l

.. Why did you dig this up?

Seriously, this isn't necessary. Especially the digging up of months old posts... in which the creator was last active in January.
Please try to make more constructive posts and focus on QUALITY over QUANTITY.