Stronghold Kingdoms had Steam trading card support added on 9 September 2014. There are 6 cards in the series. Because Stronghold Kingdoms is a Free to Play Game, cards are earned by purchasing in-game content (approximately $9 USD per card drop).
Stronghold Kingdoms had Steam trading card support added on 9 September 2014. There are 6 cards in the series. Because Stronghold Kingdoms is a Free to Play Game, cards are earned by purchasing in-game content (approximately $9 USD per card drop).