This is a 5-reel, 9-payline bonus video slot with an interesting layout and symbols. Retro Sci-Fi incorporates symbols that are literally out of this world. With symbols such as aliens, blobs, and all manner of alien ships and weapons along with the reel numbers. Remember, on this page, you can play slots for free, no download with PlayBlackjack.com and if you keep on reading, you can learn how to play this popular online casino game.

The objective of the game is to match the symbols of each one of the five reels to a winning combination. This is a five reel multi-pay line slot game which has 9 pay lines. Payouts depend on what symbols will match on a line.

To learn how to play this game, you start with the coin value, select by clicking on the + sign to increase the bet or on the - sign to decrease it. You also need to select at least one line in order to be able to spin the reel. Each line will increment the amount of the bet's total. The lines can be selected by clicking on the numbers on the left side of the reels.

The payouts table shows the different winning combinations. You may access it anytime during your game by clicking on the Payout Table button on the bottom left side of the slot machine's console.

Free Spins
Each time the scatter symbol comes up three times or more you will get free spins. It is important to point out that if you win free spins in specific coin / line denomination, you will play your free spins in that same layout. This is why you might notice that the coin values and lines selected change when you play free spins that have accumulated.