D Day
D Day is a slot game set during World War II, featuring historical symbols and immersive graphics. Players experience the atmosphere of the era with themed sound effects and bonus features, while exploring different aspects of the conflict through engaging gameplay and unique in-game events.
Feature Mechanics and Special Symbols
Atomic Wild
During play, a random position on the reels may be converted into a Wild symbol, which will possess a randomly assigned multiplier of 10, 20, 30, 50, or 100. Should the selected position already house a Wild symbol, the randomly determined multiplier for that Wild will increase by +1. If several features activate simultaneously, Atomic Wild will always take precedence and activate first.
Bomber
Between 2 and 5 Bombers can randomly appear, each occupying a different reel, with only one Bomber per reel. All paying symbols on these specific reels—from top to bottom—transform into Wild symbols. If an Anti-Air symbol is found on a chosen reel, the transformation into Wilds halts just above this symbol. If a Wild is already present on the selected reel, its multiplier is incremented by +1.
Stuka
The Stuka feature operates diagonally, appearing from either left to right or right to left. It splits all paying symbols in its path and doubles their size. Up to a maximum of 7 Stukas may occur in a single spin, with just one Stuka per diagonal allowed.
Panzer
Between 2 and 5 Panzers may randomly appear across different rows, limited to one Panzer per row. Every low-paying symbol on these rows, except for the Foot Soldier symbol, transforms into a Wild. If a Wild is already present on any affected row, the relevant Wild’s multiplier is increased by +1.
Howitzer
This feature randomly picks between 1 and 7 paying symbols across the reels, converting each selected symbol into a Wild, with the exception of Commando symbols and other Wilds.
Scatter Symbol and Feature Activation
- Landing 2 Scatter symbols in the main game may randomly trigger any of the above features.
- If one Scatter lands on the fifth reel, the Atomic Wild feature is activated.
Free Spins Features
Neptune Spins
Triggering this feature requires landing 3 Scatter symbols, awarding 8 Neptune Spins. Upon activation, a pick-and-reveal mini-feature lets you reveal 2 out of 5 available features. If a Scatter appears on reel 5 during activation, Atomic Wild is triggered and you will have just 1 pick available from the remaining 4 features. Each revealed feature is guaranteed to occur at least once during the Neptune Spins round.
Invasion Spins
Achieved by landing 4 Scatters, this awards 8 Invasion Spins. After activation, you will be able to pick and reveal 3 out of 5 features. If a Scatter symbol lands on reel 5 when Invasion Spins are triggered, Atomic Wild is activated and only 2 picks are offered from the remaining 4 features. Each chosen feature will be activated at least once throughout Invasion Spins.
Overlord Spins
With 5 Scatter symbols landed, players are awarded 8 Overlord Spins. During this round, Atomic Wild is always active. You will receive a pick-and-reveal opportunity to pick 3 features out of the remaining 4. Each feature revealed is guaranteed to appear at least once during Overlord Spins.
Boosted XBet
Players may choose to increase the chance of triggering Free Spins by activating the Boosted XBet. By increasing the bet by 30%, the chance to enter Free Spins is doubled. This does not apply to bonus modes, and symbol payouts remain unaffected by its activation.
Game Structure and Rules
- Provider: NoLimit City
- The video slot utilises a unique reel layout with 5 reels in a 3-4-5-4-3 row configuration.
- A default of 720 win ways is in effect. Further details can be found in the in-game paytable.
- Minimum bet: £0.20
- Maximum bet: £1.60
- Wild symbols substitute for any regular symbol except for Scatters. Wilds always stand in for the highest paying combination as outlined in the paytable.
- Payouts for winning symbol combinations are awarded for matches on consecutive reels from the leftmost position to the right.
- Coinciding winnings across multiple combinations are paid in full.
- Winning ways and payouts are detailed in the paytable, with all wins shown in the same currency as the bet.
- Different reel setups may apply, depending on whether you are playing the main game or bonus features.
- The simulated maximum potential payout on a single spin is 55,555 times the bet (statistically 1 in 116,000,000 rounds).
- Any feature or spin outcome within a round can influence subsequent results within that same round.
- If a malfunction occurs, all affected pays and bets are voided and refunded.
- Rounds not concluded within 7 days are automatically closed, with any wins awarded. Unfinished rounds cannot be replayed.
- Game rounds involving further player action (such as a win that may be gambled) not completed within 24 hours will be closed and accumulated winnings paid out.
- Return to Player (RTP) information is displayed within the game interface.
Winning Combinations
- Winnings are calculated by multiplying the symbol value as specified in the paytable by the number of win ways for that symbol.
- Only the highest win per win way is paid.
- A valid win is formed by identical symbols appearing on adjacent reels from the leftmost side.
- Any error or malfunction voids all plays and pays.
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Notice Regarding Doubleup Ducks Demo & Free Play Access
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The details come directly from the game itself, highlighting its key statistics and overall structure.
This functions as an alternative to demo or no deposit versions, giving you a reliable overview of Doubleup Ducks without requiring sign-up or play.
*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to this slot game are subject to change at any time. Game features mentioned may not be available in some jurisdictions.

