Europa Alchemists Lab Online Slots - Version 1.0 Alchemists Lab Online Slots - download and play. No installation needed. The object of Alchemist's Lab games is to obtain a winning symbol combination by spinning the reels.To play the game:Click Bet One, Bet Two or Bet Max (=three) to select the number of coins you wish to wager. Coin value is displayed in the upper right corner of the screen. The reels start to spin.If the reels show a winning combination after they stop (along the payline), you win according to the winning table (see the top panel of the machine).