One of the most experienced developers of casino games, Playtech, just added Upgradium casino slot game to their wide collection.
Upgradium slot game from Playtech’s studios is equipped with 5 reels, 25 paylines and it can be launched on iOS and Android tablets or smartphones. On the reels players will see 3D crystals with various shapes and colors. The red crystal with letter W is the Wild symbol, which means it can replace any other icon appearing in the game, what increases player’s chances to complete a winning combination.
Apart from Wild symbol, there is also Upgrading Wild feature, which is activated when the Wild symbol created the winning combination. Then, the symbol which created the combo with Wild symbol, becomes higher paying one and the player gets a free re-spin.