The air strikes and orbital bombardments allowed by tank modules were originally set so that ONLY ONE ATTACK per tank with an installed module was allowed. Unlimited attacks make it nearly impossible even against a small force. Pressing CTRL+DELETE while a building is selected should delete it with an explosion. This shortcut is critically important tactically. This is an important tactic if your fleet isn't large enough to survive a direct assault or your economy can't produce a large fleet. If your ships are faster, (Produce only the larger, fast ships while he is slowed by his smaller units.) You can move around taking his colonies and selling his buildings just before he arrives to reclaim them. This keeps him away from your colonies AND gets you fast money. It cripples his economy. It still works but all the clicking makes it VERY difficult. The game was always hard even in standard difficulty. This version is almost impossible in many scenarios and easy mode is just too easy. This removes the fun. Hard mode was always nearly impossible and REQUIRED the above tricks. Aside from these annoyances, this game is still the classic game I loved. It is wonderful to have it properly archived. I own the original CD set and managed to hack it so I can install it on Win 10. I never did have the first game in the series. I also bought that here. I have no idea what differences exist in your version. (if any) It does seem a difficult game with some catch-22 scenarios. That was typical of "Alliances" as well. It required strategic critical thinking to come up with tricks around some of those. Thank you for bringing these classics back to us! "Alliances" is almost there! I don't see any other issues YET but I will let you know. :) - DJ Pantha (DifferNet Web Radio) (This has been archived. I reserve the right to publish my reviews/articles/emails. Responses authored by others are not published without permission. I may summarize them in my own words.)