Welcome Offer
18+. New Players only. Min. deposit €/$20. Max bonus of 100% up to €/$50 on 1st deposit, 25% up to €/$100 on 2nd deposit and 50% up to €/$150 on 3rd deposit. Wagering required applies on all bonuses x35. 20 extra spins will be credited daily for 5 days upon first deposit. Extra spins are available on select games only. Any unused spins will expire 24hours after issue. Full T&Cs apply.
Boss Level

Play Boss Level slot & hundreds of other online slot games at Slotzo

*Any values mentioned are subject to change.


1. Overview

The goal is to obtain a winning combination on a winning way spread across the reels.

Game specifications:

  • Number of reels: 5
  • Number of rows: 4 up to 10
  • Number of ways: 1024 up to 100,000 Ways
  • Number of coins you can bet: 
    20 (cannot be changed)
  • Progressive: No
  • Double feature: No
  • Wild symbols: Yes (Standard Wild & Powerblock Multiplier Wilds)
  • Multipliers: Yes
  • Scatter symbols: Yes (Bonus symbols)
  • Bonus round: Yes
  • Free spins: Yes
  • Instant win: No
  • The RTP value is shown in-game.

*Please note that some of these features may not be available in this game version.

The game disconnects if you do not take any actions for a specific number of consecutive minutes (this number varies depending on jurisdiction); the session recovery feature will save the game progress so that the next time the game is loaded, you can continue where you left off.

In the event of technical difficulties resulting in a dropped connection to the game server, the game you were playing is saved automatically and will load the next time you establish a connection to the game server. You will not be able to reconnect to the game server for the first 30 seconds after the disconnection.

Note: In case of malfunction all pays and play are voided; any bet that was not yet accepted will be voided, any bet that was unsettled will be refunded.

2. How To Play

Note: If you do not have enough money to play a game, the bet can be set to the minimum selectable amount through a dialog window informing about this.

All winning ways pay from left to right, beginning with the far-left reel. All way win symbols must appear on consecutive reels. Wins on different ways are all added. Only the highest winning combination on each way is paid. Winnings from Free Spins are added to the total win.

The auto spin feature does not automatically start free spins – player input is required.(Available only for specific jurisdictions)

On the info bar, you can view the current BET, your BALANCE and your current WIN, displayed in either credit or your real currency, depending on the current user’s choice (Available only for specific jurisdictions). To toggle between credit or your real currency, click in the BALANCE area (Available only for specific jurisdictions).

2.1. Desktop Version

To play, follow these steps:

  1. Click Select coin value button on the main screen, and then use the + and – buttons to select a coin value. Click  Select coin value button to save the settings and return to the main screen.

    Note: The total BET is displayed in either credit or your real currency, depending on the current user’s choice (Available only for specific jurisdictions). To toggle between credit or your real currency, click in the BALANCE area (Available only for specific jurisdictions).

  2. Click Select coin value button to place the bet and spin the reels one time.

The total amount won will be shown in the WIN field from the info bar, in either credit or your real currency, depending on the current user’s choice (Available only for specific jurisdictions).  For each winning combination, the amount won is the amount shown in the paytable for that winning combination.

To toggle between credit or your real currency, click in the BALANCE area (Available only for specific jurisdictions).

2.2. Mobile Version

To play, follow these steps:

  1. Tap Select coin value button on the main screen, then use the + and – buttons to select a coin value. Tap Select coin value button to save the settings and return to the main screen.

    Note: The total BET is displayed in either credit or your real currency, depending on the current user’s choice (Available only for specific jurisdictions). To toggle between credit or your real currency, tap in the BALANCE area (Available only for specific jurisdictions).

  2. Tap Select coin value button to place the bet and spin the reels one time.

The total amount won will be shown in the WIN field from the info bar, in either credit or your real currency, depending on the current user’s choice (Available only for specific jurisdictions).  For each winning combination, the amount won is the amount shown in the paytable for that winning combination.

To toggle between credit or your real currency, tap in the BALANCE area (Available only for specific jurisdictions).

3. Special Symbols And Features

3.1. Ways

Each spin can have 1024 up to 100,000 ways to win. Wins are awarded for left to right adjacent symbols, starting on reel 1, regardless of size.

3.2. Increasing Ways & Cascading Wins

Any win triggers a cascade and adds an extra row of symbols.

This can continue up to a maximum of 10 rows.

Wins will be multiplied according to the rows on which they appear.

3.3. Wild

The Wild symbol can replace any other symbols, except Bonus symbols, to form winning ways.

Wild symbols can only appear on reels 2, 3, 4 & 5.

3.4. Keycards

There are special Keycard symbols that can land on the reels that will increase the rows without having a win.

The Green Keycard will add one row.

The Blue Keycard will add two rows.

The Red Keycard will add three rows.

It is possible to land multiple Keycard symbols in the same spin and the total amount of rows will be added.

3.5. Powerblocks

Powerblock safe symbols appear above reels 2,3 & 4.

Landing a Powerblock activation symbol on the reels 2, 3 & 4 will move the Powerblock safe above it to its position.

Any connecting winning ways with the Powerblock safe will unlock one level of security, turning off the green Powerblock safe lights for each separate connecting win.

Winning symbols must be connecting to the Poweblock safe by touching one of the four sides of the Powerblock safe.

Upon unlocking the Powerblock safe, it will reveal a Wild multiplier from x2 up to a max of x20, as follows:

Bronze safe – x2, x3, x4

Silver safe – x5, x7, x10

Gold safe – x12, x15, x20

Two or more Wild Multipliers in a win will be added together.

Locked Powerblocks on reels will move down one row each spin until either creating a win or moving out of view. Once a Powerblock safe moves to the reels, a new Powerblock will appear above the reels in its place.

3.6. Modifiers

During the base game on any spin one of 3 Modifiers can occur:

Mega Symbols – A random symbol will be hit and can transform into a larger 2×2, 3×3 or 4×4 sized Mega symbol.

Max Ways – The reels will drop in the maximum amount of ways for one spin.

Powerblock Add – From 1-3 Powerblocks will be added to the reels randomly. Without the need for a Powerblock activation symbol.

3.7. Free Spins

Landing 3 or more Bonus symbols will trigger Free Spins.

3 Bonus symbols – 8 Free Spins

4 Bonus symbols – 10 Free Spins

5 Bonus symbols – 12 Free Spins

Free Spins cannot be triggered if any Powerblocks are active on reels.

During Free Spins every win will add an extra row but will not reset and can continue up to 10 rows max.

Both Powerblock safe and Keycards symbols can land during Free Spins.

Both Max Ways and Mega symbols can land during Free Spins.

Any Bonus symbols that land will award +1 extra Free Spin.

After Free Spins end, any Powerblocks that remain on the reels will not transition to Base Game.

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4. Other Game Buttons

4.1. Desktop Version

The following buttons are available:

 Sounds buttonClick this button to toggle the game sound on or off.

 info_btn_d

Click this button to open the PAYOUTS tab, where you can view several screens:

  • information about the payouts for the winning combinations, in either credit or your real currency – to toggle between credit or your real currency, click in the BALANCE area.
  • information about any existing special features or special symbols and their payouts, or specific awards;
  • basic game rules.

To navigate among the various screens in the PAYOUTS tab, click on the left and right arrows at the bottom of the screen.

RULESIn the last of the screens from the PAYOUTS tab, click this button to view detailed game rules.
 history_btn_dThis button can be found in the PAYOUTS screen, in the BET settings screen and in the AUTO SPIN screen (available only for specific jurisdictions). Click on it to view the gameplay history.
 home_btn_mThis button can be found in the PAYOUTS screen, in the BET settings screen and in the AUTO SPIN screen (available only for specific jurisdictions). Click on it to close the game and to open the home website, in the same browser window.
Autopin button(available while the reels are spinning)(available only for specific jurisdictions) Click this button to stop the reels earlier.
Autospin button(available during winning animations) Click this button to skip the winning animations.
Autopin button(available only for specific jurisdictions) Click this button to activate Turbo mode.
The Turbo mode speeds up the gameplay – the spin time is reduced to a minimum.


*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.