Alien Robots are going to invade the planet Earth! This slot is manufactured by Netent. It has 5 reels and 243 win lines. The maximum payout of this game is 50000 coins. RTP is about average – 96.6%. Alien Robots featured with Free spins and Expanded Sticky wild. 3 or more scatter symbols activate free spins. During free spins, Wild symbols appearing on the reels trigger the expanded Sticky wild feature.