Developer 
Lines Gem Saviour is a 3D match-four video slot by PG Soft, built around the story of Misela, who is turned into a cat after a clash with the enchantress Ara. The game uses a six-reel layout with four paylines and medium volatility, with an RTP of 96.82% and a maximum win of x1,000. Players can use the demo version to play for free and practice before playing for real money.
The main mechanic centres on matching four symbols to form winning combinations, with consecutive matches helping to extend the action through re-spins. The design combines gem-based symbols with a fantasy theme, while the interface supports a range of languages for easier navigation. The slot is listed with bet sizes from 0.3 to 375, giving a wide staking range in the free play version and in the real-money version.
For players looking for a slot review before launching the game demo, Gem Saviour offers a straightforward structure focused on repeated matching features rather than complex bonus rounds. Its key points are the match-four format, re-spin potential, and medium-risk balance, which are the main details to check when deciding whether to play for free first.
