I did it - 57 minutes left and 10002 - only 1 F20) and no OsBeacons in stock, so skin of my teeth. Couldn't have done it without you lot, thanks gang, and especially @crescent moon for the mountain of giufts and QL launches - thanks. Best advice if a mystery super building is offered again is to prioitise the collectable from day 1, by doing that the event will look after itself I think. This time I did the event and then switched to collecting.
What did I get? - Planetarium? - no a Gym, which at least isn't one I had, but . . . . roll on the next one.
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Congratulations on completing your goal, always nice when game objectves are achieved, with the help of good neighbours. Very well done.
Regards
Captain WH Rollins