AFK Airport Security
Nolimit City96.1%—19,693×
Das xBoot 2 (Das xBoot Zwei)
by Nolimit CityRTP95.9%
VolatilityExtreme
Max win59,999×
Das xBoot 2 is a high-volatility slot set in a WWII German U-boat, featuring a 6-reel layout with a 2-3-4-4-3-2 row setup that can expand up to 2-4-8-5-4-2. The game starts with 576 ways to win and includes signature Nolimit City mechanics such as xNudge Wild, xWays, xBomb, Periscope Up!, Torpedo Builder, and three distinct free spins modes: Silent Hunter Spins, Wolf Pack Spins, and Battle of the Atlantic Spins. The default RTP is 95.94% with lower variants available, and the maximum win potential is 59,999x the bet.
Features
xNudge Wild
A wild symbol that drops down the reels to become fully visible, increasing its multiplier by +1 with every step it drops.
Base gameSilent Hunter SpinsWolf Pack SpinsBattle of the Atlantic Spins
xWays
Symbols that split to reveal multiple instances of the same regular paying symbol, drastically expanding the ways to win.
Base gameSilent Hunter SpinsWolf Pack SpinsBattle of the Atlantic Spins
xBomb
A wild that substitutes for regular symbols and explodes after win evaluation, removing adjacent non-bonus symbols and increasing the global win multiplier by +1 for each explosion.
Base gameSilent Hunter SpinsWolf Pack SpinsBattle of the Atlantic Spins
Periscope Up!
Randomly triggers reel 3 to expand to 8 rows high. A special Periscope Wild may land and launch a torpedo; if it hits, the wild grows to cover the entire reel and nudges down, adding a win multiplier for each nudge.
Base gameWolf Pack SpinsSilent Hunter SpinsBattle of the Atlantic Spins
Torpedo Builder
When a full boat appears in the ocular above reels 5 and 6, a 3-respin mode activates. Torpedo parts (xWays and xWays Wilds with +1, +2, or +3 values) are collected and launched to split across reels 2-5.
Base gameSilent Hunter SpinsWolf Pack SpinsBattle of the Atlantic Spins
Silent Hunter Spins
Free spins mode triggered by 3 bonus scatters, awarding 8 spins where Periscope Up! is always active. The Periscope Wild nudge multiplier starts at 1x and increases by +1 for each nudge.
Free Spins
Wolf Pack Spins
Free spins mode triggered by 4 bonus scatters, where the Torpedo Builder is active. Additional scatters award +2 spins.
Free Spins
Battle of the Atlantic Spins
Free spins mode triggered by 5 bonus scatters, awarding 10 spins where both Periscope Up! and Torpedo Builder are simultaneously active. xBomb multipliers persist throughout and are added together before win calculation.
Free Spins
Nolimit Booster
Per-spin cost modifiers that guarantee specific feature activations: Bonus Booster (1.5x), Periscope Booster (8x), Torpedo Booster (20x), and Golden Torpedo Booster (4,500x).
Base game
Feature Buy
Direct purchase option to enter bonus rounds at set costs (e.g., Silent Hunter Spins, Wolf Pack Spins, Battle of the Atlantic Spins).
Base game
Extra Spin
After bonus rounds end, players can purchase an additional spin retaining existing multipliers and Torpedo Tube progress if the cost is less than or equal to the total win.
Silent Hunter SpinsWolf Pack SpinsBattle of the Atlantic Spins
Themes
SubmarineWorld War IIWarMilitaryNavalAtlantic OceanGerman U-boat
More from Nolimit City
Apocalypse
Nolimit City96.0%Extreme20,000×
Bangkok Hilton
Nolimit City96.1%Extreme44,444×
Barbarian Fury
Nolimit City96.1%High8,785×
Beheaded
Nolimit City96.0%Extreme15,950×
Benji Killed in Vegas
Nolimit City96.0%High10,000×