Developer 
Lines Leonardo's Secret by 1spin4win is a high-volatility video slot with 243 ways to win, an RTP of 97.3%, and stakes from 0.01 to 50. The game uses a Renaissance-inventor theme, with symbols such as the aerial screw, glider, Golden Coins, the golden dodecahedron, steel ingots, and gem-encrusted brooches. Players can open the demo version to play for free and practice before playing for real money.
When 3 or more Coin symbols land in the base game, 10 bonus spins are triggered. During this feature, each spin can award up to 15 instant-win Coins with values ranging from x1 and x5 to x8, x10, x12, x15, x20, x50, and x100. The bonus round also includes 2 jackpots, set at x100 and x1,000 of the stake, while the maximum multiplier reaches x2,100.
The slot combines mechanical imagery with a simple bonus structure centred on coin collection and fixed prize values. For players searching for Leonardo's Secret slot, the key points are the 243-way format, bonus spins, and the chance of high-value instant wins in the free play mode.
