Welcome to our deep dive on Stack em Scratch — the demo, the maths, and whether it earns a spot in your rotation. Hacksaw Gaming are the software studio behind it, tuning the slot game for medium high volatility, with a published RTP of 92.28%. The maximum win sits at 10,000x, so there's serious upside on the table. Visually it's built with crisp artwork and atmosphere, with the action running on 10 paylines across 5 reels. It first went live in 2022 and still earns its place today. The full verdict is below.
Written by Daniel Chen · Last updated: January 2026
Stack em Scratch is a slot from Hacksaw Gaming, given an engaging visual treatment. It runs on 5 reels and 10 paylines with a medium high-variance maths model, and an RTP of 92.28%.
The medium high volatility strikes a middle ground that should suit most playing styles. Overall it's a straightforward slot that knows what it is.
The RTP of 92.28% is below the industry average of ~96%. This is common for older slots or those with special features. The lower RTP may be offset by unique mechanics or higher maximum win potential.
Medium-high volatility means wins come less frequently but tend to be larger when they hit. Players should be prepared for dry spells between bigger wins, requiring a moderate bankroll.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
2.1 / 5 — Below Average
Stack em Scratch by Hacksaw Gaming provides a straightforward slot experience. While it may not break new ground, it offers medium high volatility gameplay that will appeal to certain player preferences.