Help File
Rumble Roo K.O.!
Rumble Roo K.O.! is a Bet 40, 40 line slot game.
It has 5 reels, 4 rows, and the following features:
The average theoretical return to player (RTP) is: 96.02% with any bet.
The expected payback reflects the theoretical return across a very large number of spins by numerous players over an extended period of time and cannot be affected by the player's strategy.
Any combination of wins in a single game is limited and will not exceed 0.
It may not be possible to reach this limit in a single game from every bet configuration.
Game Rules
Wild
- Wild substitutes for all symbols except {Scatter Bell}.
- Appears on all reels during Base Game.
- Appears in Base Games only.
Scatter Bell
- 6, 7, 8, 9, 10, 11, 12, 13, 14, or 15 Scatter Bell trigger Respins.
- In Respins, each Scatter Bell increments all {Respin Roo} once.
Mystery Symbol
- May appear on any spin to reveal {Wild}, {KOALA}, {COCKATOO}, {PLATYPUS}, {GYM BAG}, {BOXING GLOVES}, {Scatter Bell}.
- Appears in Base Game only.
Respins Roo
- Initial prizes of 10, 15, 20, 25, 30, 40, 50, 60, 80, 100, 120, 200, 400 credits are available at min bet.
- Prizes can then be incremented upon landing {Scatter Bell} or {Respins K.O.!}.
- Appears in Respins only.
Respins K.O.!
- Respins K.O.! will increment all {Respin Roo} 2, 3, 4, 5, 6, 7, 8, 9, or 10 times.
- Appears in Respins only.
Respins
- 6, 7, 8, 9, 10, 11, 12, 13, 14, or 15 {Scatter Bell} trigger Respins.
- 3 Respins are initially awarded.
- Upon entering Respins, each triggering {Scatter Bell} transforms into a {Respin Roo} with an initial prize.
- Initial prizes of 10, 15, 20, 25, 30, 40, 50, 60, 80, 100, 120, 200, 400 credits are available at min bet.
- Any {Scatter Bell} will increment the amount on each {Respin Roo} by the initial prize displayed.
- {Respins K.O.!} will increment the amount on each {Respin Roo} by the initial prize displayed 2, 3, 4, 5, 6, 7, 8, 9, or 10 times.
- After incrementing other prizes, {Scatter Bell} and {Respins K.O.!} will transform into {Respin Roo} and be allocated an initial prize.
- {Scatter Bell} and {Respins K.O.!} will not increment a {Respin Roo} which first appears on the same spin.
- Any {Scatter Bell} or {Respins K.O.!} will reset Respins to 3.
- Respins end when no respins remain or all reel positions have been filled.
- Respins are played at the triggering bet.
Mystery Spins
- On any Base Game Spin, Roo and Boxing Bag may appear during reel spin.
- If Roo breaks Boxing Bag, 6 - 10 {Mystery Symbols} will appear randomly on reels to award the Mystery Spin.
- Once reel spin is complete, all {Mystery Symbol} will disappear, revealing identical symbols.
- {Mystery Symbol} may reveal {Wild}, {KOALA}, {COCKATOO}, {PLATYPUS}, {GYM BAG}, {BOXING GLOVES}, {Scatter Bell}.
Rules (For Line Games)
- Play bet 40 for 40 lines.
- All wins begin with the leftmost reel and pay left to right on consecutive reels, except SCATTER which pays any.
- All wins are multiplied by the bet multiplier.
- All wins on selected paylines only except SCATTER.
- Wins on different paylines are added.
- Coinciding wins are added.
- Highest win only on each selected payline.
- Payouts are made according to the paytable.
- Malfunction voids all pays and plays.
How to Play
- Step 1: Choose your BET
- Step 2: SPIN
Paytable amounts are fixed and prizes are multiplied by the Bet Multiplier.
The game displays all your details in the following display fields.
- Balance: Displays your total balance.
- Win: Displays the amount won in the spin.
- Total Bet: Displays the total wager staked.
- Total Win: Displays the accumulated wins during Respins.
- Respin: Displays the number of respins played, together with the total number of respins awarded.
MAIN GAME BUTTONS:
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ADJUST BET
- Total Bet menu to adjust bet.
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SPIN
- Spins the reels.
- The SPACE BAR can also be used to spin when playing on Desktop.
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AUTOPLAY
- View and set AUTOPLAY options.
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STOP AUTOPLAY
- Displays the remaining amount of AUTOPLAY spins, click this button to STOP AUTOPLAY and return to normal play mode.
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STOP/SKIP
- During Base Game button will STOP the reel spin. During Respins button will STOP the reel spin or SKIP to the next spin.
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MENU
- View the MENU, giving access to PAYTABLE, BET, AUTOPLAY, SETTINGS, HOME and CASHOUT tabs.
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MUTE
- Mutes sound and ambient volumes.
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UNMUTE
- Unmutes sound and ambient volumes.
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MENU TAB BUTTONS:
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PAYTABLE
- View game rules and pay awards for winning symbol combinations.
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AUTOPLAY
- View available AUTOPLAY options.
- AUTOPLAY allows automatic consecutive normal game plays.
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TOTAL BET
- View available bet options.
- TOTAL BET equals the Bet Multiplier x the coin value.
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SETTINGS
- View available sound settings.
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HOME
- Closes MENU and returns to the game.
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CASHOUT
- Closes Game and returns to casino’s main menu.
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This is game rules version 3, dated May 15, 2025