Gamdoom

Gamdoom is a video slot from AvatarUX with a retro pixel-art, sci-fi setting inspired by classic first-person shooters. The game uses a ways payout system, five reels and high volatility, with an RTP of 96% and a reported top win potential of 50,000x the bet.

The main mechanics centre on PopWins, where each winning symbol pops and is replaced by two new symbols, increasing reel height as wins continue. In the base game, reels can expand to six symbols tall, while Free Spins can extend them to nine symbols tall. Unlocking the full reel height during the bonus round awards extra free spins, and the shortest reel resets after each spin rather than the whole grid.

Before Free Spins start, the Alien Wheel can raise the number of bonus spins through a gamble feature. Gamdoom also includes ZapReel, a horizontal feature reel that adds rewards such as split symbols, synced reel rewards, expand winning symbol, multipliers up to 10x, and combined rewards. This demo version lets players play for free and practice before playing for real money.