Argentina 
Australia 
Austria 
Azerbaijan 
Bangladesh 
Belgium 
Brazil 
Bulgaria 
Canada 
Chile 
China 
Colombia 
Czech Republic 
Denmark 
Estonia 
Finland 
Germany 
Greece 
Hungary 
India 
Indonesia 
Ireland 
Isle of Man 
Italy 
Japan 
Kazakhstan 
Korea Republic 
Latvia 
Lithuania 
Malaysia 
Malta 
Mexico 
Netherlands 
New Zealand 
Norway 
Peru 
Philippines 
Poland 
Portugal 
Romania 
Slovakia 
South Africa 
Spain 
Sweden 
Switzerland 
Thailand 
Turkey 
Ukraine 
United Kingdom 
Uzbekistan 
Vietnam 
Best Online Casinos to Play for Real Money
|
King Billy Casino
|
Welcome Pack €2500 +250 Free Spins | Play Now | |
|
Skol Casino
|
up to $1300 + 250 Bonus Spins | Play Now | |
|
Casino Cruise
|
55 Free Spins + 100% up to $/£/€200 + 200 Free Spins | Play Now | |
|
Vulkan Vegas
|
Up to CA$/€/$1500 + 150 Free Spins | Play Now | Only the first and the second deposit made within 7 days after the activation of the bonus are taken into account with the offer. Max bonus amount for the first deposit is €300; for the second starting from €15 —€400, for the second starting from €50 — €700. 30x wagering requirements for free spins and 40x for bonuses. The maximum bet allowed when playing with bonus money is of $/C$/€5. |
Free Slot Games
Rules and Gameplay
Underground by Aiwin Games is a video slot with a traditional 5×3 layout and 15 betways, making it accessible for both new and experienced players. The gameplay involves setting your bet from a minimum of $0.01 to a maximum of $150 per spin, which caters to a wide range of betting preferences. The game is designed to be straightforward, with the main objective of lining up symbols on active betways to form winning combinations.
Bonus Features
The Underground slot game is rich with engaging bonus features that enhance the gaming experience. Here’s a breakdown of the main features:
- Free Spins: Triggered by landing specific scatter symbols, granting players extra spins without additional bets.
- Bonus Game: Activated by a combination of bonus symbols, this feature provides a mini-game with potential for big wins.
- Progressive Jackpot: Offers the chance to win a continually accumulating prize pool.
- Wild Symbols: These symbols substitute for others to form winning combinations more easily.
- Scatter Symbols: Pay out wins regardless of their positions on the reels, often leading to free spins or other bonus features.
Symbols
The symbols in Underground are intricately designed to fit the motorcycle theme, featuring a mix of high and low value symbols. Here are the key symbols:
- Wild Symbol: Depicted by a motorcycle engine, acts as a substitute for other symbols to aid in forming winning combinations.
- Scatter Symbol: Represented by a headlight, it triggers free spins and bonus rounds.
- Bonus Symbols: These are special icons that activate the slot’s unique bonus game when landed in a certain combination.
Payouts
Here is a simplified payout table:
| Symbol | 3x Combination | 4x Combination | 5x Combination |
|---|---|---|---|
| Wild Symbol | $50 | $200 | $1000 |
| Scatter Symbol | $20 | $100 | $500 |
| Bonus Symbol | $30 | $150 | $750 |
Paylines
Underground features 15 distinct paylines, providing multiple ways to win on each spin. Paylines are fixed, meaning all are active during gameplay, which increases the chances of hitting winning combinations across the reels. Players need to align symbols on these paylines according to the game’s rules to secure payouts.
Pros & Cons
| Pros | Cons |
|---|---|
| Engaging theme with motorcycle and adventure elements. | Limited availability in online casinos. |
| Rich bonus features including Free Spins, Jackpot, and Bonus Game. | – |
| Progressive jackpot potentially offers large payouts. | No information on variance, affecting betting strategy planning. |
Minimum and Maximum Bet
The Underground slot game allows players to place a minimum bet of $0.01 and a maximum bet of $150 per spin. This wide range of betting options makes it accessible for both beginners who might be cautious about spending large amounts of money, and high rollers looking for the thrill of big bets.
Game Jackpot
The Underground slot features a progressive jackpot, offering the chance to win a large sum that grows with each spin taken by players. The maximum win reported is $150,000.
About Provider
Aiwin Games is the developer behind Underground and other innovative slot games. Known for integrating AI technology to enhance graphics and gameplay, Aiwin Games focuses on creating engaging and visually captivating slot experiences. Their games often feature rich narratives, diverse themes, and advanced bonus mechanics, making them popular among players who enjoy high-quality, interactive gaming sessions.
How To Play
- Step 1: Start by choosing the Underground slot game at your preferred online casino.
- Step 2: Set your bet amount. You can adjust the bet from $0.01 to $150 per spin depending on your budget and risk preference.
- Step 3: Review the paytable to understand the values and functions of different symbols and paylines.
- Step 4: Click the spin button to start the game. The reels will spin and then stop to reveal the symbol combinations.
- Step 5: Utilize bonus features like Free Spins or the Bonus Game if you land the required symbols.
- Step 6: Continue spinning as desired, or adjust your bet based on your game strategy and balance.
Summary
Underground by Aiwin Games offers an exciting blend of adventure and chance with its motorcycle-themed gameplay and dynamic bonus features. Despite concerns over its RTP and limited availability, the game’s rich array of features from free spins to a progressive jackpot makes it a compelling choice for players seeking a thrilling casino experience. It embodies the innovative spirit of Aiwin Games, showcasing their commitment to enhancing player engagement through advanced technology and creative game mechanics.