Casino Bonuses

| Provider | Hacksaw Gaming |
| Reels | 5 |
| Rows | 5 |
| Paylines | 14 |
| Bonus Rounds | 5 |
| Bet Range | 0.10 - 100 |
| Max Win | 10,000x |
| Bonus Buy | Yes |
| RTP | 96.21% |
| Our Rating | 6.5 |
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Game Overview
If you were seeking out a mad scientist to create a special potion that might just give you a chance of hitting a big win on a slot, where would you even begin to look? Fear not, friends; we might have just found the answer for you in the Hacksaw Gaming slot Dr Zappo.
Yes, not only does this guy have all the attire you’d expect from someone crazy enough to mix chemicals and create ray guns, but he’s got the perfect lineup for you in this high-variance release that comes with a maximum win of 10,000x the bet.
Theme & Design
You could certainly argue that many of Hacksaw’s slots have a similar feel to them, and whilst you could bundle Dr Zappo in that category slightly, this is a title that does have the feel of a premium Hacksaw release, and the cartoon-style graphics and overall design of the game are fantastic.
If you were looking at exploring the studio in more detail and wanted to try another game with high-end graphics, I’d suggest Minted Mike from the developer, as this will give you a better idea of what they are capable of rather than you getting stuck playing the monotonous reskins of the Le Bandit series.

Dr Zappo Gameplay & Features
The adventures of Hacksaw’s Dr Zappo are set over a 5 reel, 4 row configuration where 14 paylines are in play, with wins awarded when 3 or more matching symbols connect, starting from the leftmost reel first. The game features standard betting options that range from a minimum of €0.10 up to a maximum of €100.
The highlight feature of Dr Zappo is the Wild Eyeball symbols, which can only appear on the 4th row of the grid. When the reels have come to a halt, all eyeball symbols in view can shoot in one of 3 directions, leaving a trail of wilds in their path, which can carry massive values of up to 200x.
Moving onto the main bonus round, there are 3 variations of the free spins feature, which can be triggered when 3, 4, or 5 scatter symbols land in view.
- Eyeconic: Three scatter triggers award 10 free spins with an increased chance of Eyeball wilds landing.
- No Brainer: Four scatter triggers award 10 free spins. Each eyeball symbol that lands will shoot in two directions.
- It’s Electrifying: A five-scatter trigger awards 10 free spins with an eyeball wild guaranteed to land on every spin.
Players in non-restricted regions can also activate enhanced bets and the following feature buy options.
- BonusHunt FeatureSpins: Each spin is 5 times more likely to trigger a bonus – Costs 3x the bet.
- ZigZag Zappo FeatureSpins: Each spin guarantees at least 2 Eyeball wilds land – Costs 100x the bet.
Pros
- Cheap bonus buy option of 50x the bet
- Good graphics and design
- Multiplier wilds can carry high values
Cons
- Can be a bit boring in the base game if no wilds lands
- The high variance might put some players off
- Some may feel it’s a bit too samey from Hacksaw
Final Thoughts
Overall Dr Zappo is a sound addition to the Hacksaw catalogue and a game many of you I’m sure will enjoy playing. The only downside perhaps is whether the Eyeball wild mechanic will be enough to keep the slot purists entertained. The jury is out on that one, but after some spins on our free demo, I’m sure you will form your own opinion.
Reasonable
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