Armadale’s captain Nathan Costello scored the opener in the 24th minute, but two goals in quick succession near the end of the first half for the away side ensured they secured all three points.
Armadale started the first-half positively and were rewarded with a goal from a set piece.
Jordan Pavett took the free-kick and it found Costello whose faint header guided the ball into the back of the net, giving Armadale the lead.
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The home side’s joy was short lived however, as the Glory equalised less than 10 minutes later.
In a counterattacking move, Glory captain Daniel Stynes played Bayley Montgomery-Brown through on goal.
Montgomery-Brown’s shot was deflected off Armadale’s keeper and eventually cleared off the goal-line by a defender, but only as far as Stynes, who levelled the scores.
It only got worse for Armadale when they conceded a penalty just five minutes later, with Costello holding his man inside the box.
Kosta Petratos stepped up to take the penalty and made no mistake, giving his side a valuable lead.
Despite the defeat, Armadale coach John O’Reilly took some positives from the game, but admitted there is room for improvement.
“Over the 90 minutes I won’t say that my side was disappointing,” he said.
“But I think there were times where we could have been more switched on and more disciplined.
“The way the game panned out in the end, I don’t think either team particularly deserved to win the game.”