The Big Dog House – What Is This Slot?
The Big Dog House is a 5×3 20-line slot game by Pragmatic Play that was released on 21 May 2026. The latest iteration of the Dog House game series, this slot game includes expanded and colossal Wild symbols. Every Wild symbol, also known as the Dog House symbol, lands on reels 2, 3 and 4 and features a random 2× or 3× multiplier. The Wild symbol can be of three different sizes - a normal 1×1 symbol, an expanded 1×3 symbol that takes up one reel, or a colossal 3×3 symbol that covers the three middle reels of the slot game display. If there are multiple Wild symbols contributing to the same winning payline, the multipliers of the Wild symbols are added together.
Landing three Bonus scatter symbols on reels 1, 3 and 5 will award the player with 9 to 27 sticky Wild symbol spins. During these spins, Ghost Wild symbols can land and remove sticky Wild symbols from the player's screen. There are two optional modifiers to this bonus round - Biggie and Ghost Out.
How to Play The Big Dog House
This game features 20 paylines arranged in the classic 5×3 display. Wins are calculated from the left side of the reels to the right side of the reels. For each payline, only the highest winning payout is paid to the player.
- The bet amount can be set using the + and − buttons on the screen. The minimum and maximum bet for this slot game is $0.20 and $240, respectively. The Super Spin and Ante Bet bonus modes allow players to increase the effective bet by as much as 4,000×.
- To play the game, simply press the Spin button. The Dog House Wild symbol, which displays on reels 2, 3 and 4, will substitute all other symbols on the reels except for Bonus scatter symbols. The multiplier for the Wild symbol, which is 2× or 3×, will be applied to the winning paylines that it forms.
- Keep an eye out for three Bonus symbols that land on reels 1, 3 and 5. If one or more of the Bonus symbols are of the Biggie or Ghost Out type, the associated bonus modifier will become active for that bonus round.
- Upon hitting three Bonus scatter symbols on reels 1, 3 and 5, a 3×3 mini grid will spin to determine the amount of spins the player will receive for the bonus round. Each of the squares of the mini-grid will feature a spin value of 1, 2 or 3 spins. The total number of spins will be shown once all the reels have spun to a value and will be between 9 and 27 spins.
- There are four different options to buy Free Spins directly into the bonus round. When players buy into the bonus round, they can choose which bonus modifiers they would like to feature in their bonus round.
Bonus Features
Wild Multipliers (Base Game)
The Dog House Wild symbol appears on reels 2, 3 and 4 and always comes with a 2× or 3× multiplier. The Wild symbol can be of three sizes - 1×1, 1×3 or 3×3. If multiple Wild symbols are featured in the same winning payline, the multipliers will be added together to make one effective multiplier for the winning payline.
Sticky Wild Multipliers (Free Spins)
During the bonus round, the Dog House Wild symbols will be of 1×1 size and will appear only on reels 2, 3 and 4. Every time a Wild symbol lands during the bonus round, it will feature a sticky 2× or 3× multiplier that remains on the screen for the rest of the bonus round. As more Wild symbols are hit during the bonus round, the total multipliers of the winning paylines will significantly increase - this forms the potential for the 15,000× maximum win.
Ghost Wild
The Ghost Wild symbol will only appear on reel 5 during the bonus round. The symbol features a 2× or 3× multiplier and will substitute for the other symbols on the screen. Every time a Ghost Wild symbol is spotted on the screen, one of the sticky Wild symbols that have already landed on the screen will be removed.
Biggie & Ghost Out Modifiers
If the Biggie bonus modifier is activated during the bonus round, all Wild symbols will be of 1×3 or 3×3 size only. Similarly, if the Ghost Out bonus modifier is activated, the Ghost Wild symbol will not appear on reel 5 during the bonus round. Both of these modifiers can be active at the same time in one game session.
Free Spins Round
Upon landing three Bonus symbols on reels 1, 3 and 5, the player will enter the bonus round. During this round, a 3×3 mini-grid will spin to reveal the number of bonus spins the player will earn for the slot machine. Each of the nine cells on the mini-grid will feature the number of spins for each reel - the numbers will be 1, 2 or 3 spins for each slot game reel. The total amount of spins will be revealed once all reels have landed and will be between 9 and 27 spins for the bonus round.
| Trigger Combination | Result |
|---|---|
| 3× Red Bonus symbols | Free Spins — no modifier |
| Biggie Bonus in the triggering trio | Free Spins with Biggie modifier (all Wilds expanded) |
| Ghost Out Bonus in the triggering trio | Free Spins with Ghost Out modifier (no Ghost Wilds) |
| Both Biggie and Ghost Out in the trio | Free Spins with both modifiers active (expanded Wilds, no Ghost Wilds) |
Special Bets & Buy Free Spins
One of the more extensive special bet menus of all slot games by Pragmatic Play, this game features four Ante Bet options, four Super Spin modes and four options to buy into the bonus round.
Ante Bets — Boost Free Spins Trigger Chance
| Mode | Multiplier | Effect |
|---|---|---|
| Ante Bet 1 | 40× | 24× higher chance of triggering with the Biggie modifier |
| Ante Bet 2 | 40× | 24× higher chance of triggering with the Ghost Out modifier |
| Ante Bet 3 | 80× | 6× higher chance of triggering any Free Spins (with or without a modifier) |
| Ante Bet 4 | 120× | 170× higher chance of triggering with both Biggie and Ghost Out modifiers |
Super Spins — Guaranteed Base Game Wilds
| Mode | Multiplier | Effect |
|---|---|---|
| Super Spin 1 | 100× | At least 1 expanded Wild guaranteed per spin. Free Spins cannot trigger. |
| Super Spin 2 | 1,000× | At least 1 Wild (any size) guaranteed per spin. Free Spins cannot trigger. |
| Super Spin 3 | 2,000× | 50% chance of at least 1 colossal Wild per spin. Free Spins cannot trigger. |
| Super Spin 4 | 4,000× | Colossal Wild guaranteed every spin. Free Spins cannot trigger. |
Buy Free Spins — Instant Feature Entry
| Buy Option | Cost | What You Get |
|---|---|---|
| Buy Free Spins | 100× total bet | Standard Free Spins round — no modifier |
| Buy Biggie Free Spins | 200× total bet | Free Spins with Biggie modifier — all Wilds expanded |
| Buy Ghost Out Free Spins | 200× total bet | Free Spins with Ghost Out modifier — no Ghost Wilds |
| Buy Biggie Ghost Out | 500× total bet | Free Spins with both modifiers — expanded Wilds, no Ghost Wilds |
RTP & Variance Explained
The standard RTP of 96.53% for this slot game maintains itself in most of the special bet modes. The exception to this is the Buy Ghost Out Free Spins mode, which features a return of 96.43%. The other exception is the Super Spin 3 mode, which features a return of 96.47%. The other modes all have an RTP that falls within the 96.47% - 96.56% range.
| Bet Mode | RTP |
|---|---|
| Normal play | 96.53% |
| Ante Bet 1 / Ante Bet 2 (40×) | 96.51% / 96.55% |
| Ante Bet 3 (80×) | 96.53% |
| Ante Bet 4 (120×) | 96.54% |
| Super Spin 1 (100×) | 96.55% |
| Super Spin 2 (1,000×) | 96.54% |
| Super Spin 3 (2,000×) | 96.47% |
| Super Spin 4 (4,000×) | 96.54% |
| Buy Free Spins (100×) | 96.54% |
| Buy Biggie Free Spins (200×) | 96.50% |
| Buy Ghost Out Free Spins (200×) | 96.43% |
| Buy Biggie Ghost Out (500×) | 96.56% |
Our Verdict
✅ Pros
- The potential win for the base game for any given spin with a colossal 3×3 Wild symbol with multipliers is huge.
- The sticky Wild symbol spins can stack to create a huge maximum win for bonus spins.
- Players can buy directly into bonus spins and choose which bonus modifiers they would like to feature.
- By betting on the Ante Bet 4 mode, players have a 170× higher chance of triggering both the Biggie and Ghost Out bonus modifiers at the same time.
- The maximum winning potential of 15,000× of any player's bet is quite generous - especially considering that the game is considered to be of medium volatility.
- The RTP of all of the special bet modes of The Big Dog House slot game remains above 96.43%.
❌ Cons
- The Ghost Wild symbol removes sticky Wild symbols from the screen - meaning that it is a negative bonus to players who are having a good bonus round.
- The feature of Super Spins will disable bonus spins - these are two separate modes of play for this slot game.
- The buy-in for bonus spins that feature the Ghost Out modifier has the lowest return for players - 96.43%.
- Once players enter the bonus round, it cannot be retriggered. The length of bonus spins is set at the start of this round.
The Big Dog House FAQ
The standard RTP of The Big Dog House slot game is 96.53%. Depending on the special bet modes selected, the RTP can range from 96.43% to 96.56%. Ante Bet modes range from 96.51% to 96.55%. Super Spin modes range from 96.47% to 96.55%. Buy Free Spins modes range from 96.43% to 96.56%.
The maximum win of The Big Dog House slot game is 15,000× the player's bet. If the total win of the Free Spins round reaches this maximum win, the bonus round will end and any remaining bonus spins will be lost.
The Dog House Wild symbol appears on reels 2, 3 and 4 and features a 2× or 3× multiplier. The Wild symbol can be of 1×1, 1×3 or 3×3 size. If there are multiple Dog House Wild symbols that feature in the same winning payline, the multipliers will be added together to make up one effective multiplier.
Three Bonus symbols on reels 1, 3 and 5 will trigger the Free Spins round. A 3×3 mini grid will spin to determine the number of spins for each of the reels. Once all the spins have landed, the total number of spins will be shown. The total number of spins will range from 9 to 27. During this bonus round, Wild symbols will be of 1×1 size and will be on reels 2, 3 and 4. Every time a Wild symbol lands during this round, it will feature a sticky 2× or 3× multiplier that will remain on the screen for the bonus round. Ghost Wild symbols will also land on reel 5 during this bonus round. These will have a 2× or 3× multiplier and will substitute for the other symbols on the screen. However, every time one of these symbols lands on the screen, one of the sticky Wild symbols that have already landed on the screen will be removed by the game.
If the Biggie bonus modifier is triggered, all Wild symbols during the bonus round will be of 1×3 or 3×3 size - no 1×1 Wild symbols will appear on the screen. If the Ghost Out bonus modifier is triggered, the Ghost Wild symbol will not land on reel 5 during the bonus round - so there will be no sticky Wild symbols that are removed from the screen during the bonus round. Both of these modifiers can be triggered at the same time during the bonus round.
Yes, the free demo of The Big Dog House is available. The free version of the game can be accessed directly on this page. No registration or deposits are required to play. All the game's features including bonus spins and modifiers are playable in the free demo version.