Lock It Link Slots: The Complete Guide to Light and Wonder’s Hold-and-Win Family

The core idea is simple, which is a big part of why it caught on. You collect special symbols, they lock in place, and every time a new one lands the countdown of respins resets. Fill enough of the grid and you can trigger cash prizes, credit values and up to four progressive jackpot tiers labeled Mini, Minor, Major and Grand. Unlike the closely related Lightning Link series, you generally do not win the Grand simply by covering the whole screen, so each Lock It Link theme puts its own spin on how the top prize is reached. If you are comparing this brand against other slots you already enjoy on BestSlotsUSA, the short version is that Lock It Link trades flashy base-game action for a bonus round that can pay in bursts.

This guide covers five headline versions: Lock It Link Nightlife, Piggy Bankin’, Diamonds, Eureka Reel Blast and Hold Onto Your Hat. Some of these are true online releases you can load in a legal US lobby today, and others remain land-based cabinet games that have not been fully adapted for real-money internet play in this market. We label each one clearly so you know what you can actually spin online versus what you will only find on a casino floor. Every number below is drawn from Light and Wonder’s own game material and independent slot reviews. Where a figure is not officially published, we say so rather than invent one.

Quick View: Lock It Link Nightlife

Nightlife is the original that put the brand on the map, so we use it as the flagship reference point. It is a 5 reel, 3 row game built around a luxury, after-dark theme of champagne, jewelry and crystals.

Every Lock It Link Version at a Glance

The table below compares the five versions in this guide. Read the “Online or land-based” column carefully, because it tells you which titles you can actually load in a legal US online casino and which ones live only on the casino floor. Ways figures are fixed paylines unless noted.

Game Overview and How It Plays

Every Lock It Link title is a hold-and-win slot, which is the same broad family as many of the titles on our hold and win slots hub. The base game is a straightforward 5 reel grid where standard symbols pay left to right along fixed lines. That base game is deliberately calm. The real action begins when enough bonus symbols land at once and the reels stop spinning normally.

When the feature starts, the bonus symbols lock in place and the game gives you a small number of respins, most commonly 3 to 6 depending on the version. Each time a new bonus symbol lands, it locks and the respin counter resets to its starting value. As long as you keep landing symbols, the feature keeps going. Each locked symbol displays a credit value, and in the jackpot-enabled versions some of those symbols can reveal a Mini, Minor, Major or Grand progressive. Fill the whole screen and, in most versions, you collect every value on the board at once, which is where the biggest Lock It Link wins come from.

Because the payout structure is loaded into the feature, the swing between a dead session and a huge one can be dramatic. That is why these games generally sit in the medium volatility band on their online RTP reports but feel higher in practice. If you are new to how return figures work, our plain-English explainer on RTP and our breakdown of volatility will help you read the tables above. The takeaway for Lock It Link is that a published RTP near 96 percent is average, while the ride to get there is spikier than a low-variance game.

Symbols and What They Pay

Each Lock It Link version re-themes its symbol set, but the roles stay consistent. There is a wild that substitutes for regular pays, a set of themed high symbols, a set of low card ranks, and a bonus symbol that drives the lock feature. Here is how the paying symbols break down across the family.

• Wild symbols substitute for standard paying symbols and often carry a multiplier. In Diamonds, for example, the wild lands on reels 2 through 4 and applies a 2x multiplier in the base game, then variable multipliers of 3x to 8x during free spins depending on how many wilds appear.
• High symbols are the themed icons. In Eureka Reel Blast the prospector is the top regular symbol, worth up to 250x, followed by the mule, mine cart, helmet, pickax and shovel. In Piggy Bankin’ the gold bars, dollar symbol, vault, dog and police figures lead the pay table at roughly 5x to 12.5x.
• Low symbols are the playing card ranks A, K, Q and J, which pay the smallest line prizes across every version.
• Bonus and scatter symbols are the ones that trigger and feed the lock feature, and these are the symbols that differ most from title to title.

Bonus Symbol Cross-Check

This is important, because a common assumption is that every Lock It Link game uses the same locking symbol. It does not. The lock mechanic is shared, but the bonus symbol is re-skinned for each theme, and that changes what you are watching for on the reels. Here is the per-version breakdown.

• Nightlife uses a heart-shaped locket as its bonus symbol, fitting the jewelry and nightlife theme.
• Diamonds uses red hearts as the scatter and bonus symbol, landing on the middle reels to open the feature.
• Piggy Bankin’ uses the piggy bank as its collection symbol, and the locked symbols later transform into shapes on a dedicated Piggy Bank Shapes table.
• Eureka Reel Blast splits the job across two symbols. Dynamite bundles trigger and feed the lock feature, while a separate mine tunnel entrance symbol triggers the free games round.
• Hold Onto Your Hat centers the feature on its hat-themed lock symbols, with free spins integrated directly into the lock sequence rather than offered as a separate choice.

The practical lesson is to check the pay table of the specific version you load, because the number of symbols you need and the symbol you are hunting for both change between themes.

How to Trigger the Bonus

There are two broad trigger styles in the family, and knowing which one your version uses tells you what to watch for.

The first style is the original 3 symbol trigger, used by Nightlife and Diamonds. You need 3 or more bonus symbols to land, typically on the center reels 2, 3 and 4, to open the feature. In Diamonds, landing 3 or more hearts on those middle reels brings up a feature selection screen where you choose your path.

The second style is the six-symbol collection model, used by Piggy Bankin’ and Eureka Reel Blast. Here you need 6 or more bonus symbols on the screen at once to launch the full lock feature. Both of these versions also offer a smaller feature-selection path when you land 3, 4 or 5 symbols, which awards instant prizes or free spins instead of the full lock round. Eureka Reel Blast, for instance, awards 12, 15 or 20 free spins for 3, 4 or 5 mine entrance symbols, separate from the 6-dynamite lock trigger.

Hold Onto Your Hat blends the approaches, folding a free spins bonus directly into the lock scenario rather than presenting it as a separate choice. Because of that integration, its trigger behaves differently from the cleaner two-path versions. If you want a refresher on general slot mechanics before you play, our guide on how to play online slots walks through the basics.

How the Bonus Works Once You Trigger It

This is the heart of every Lock It Link game, and it plays differently enough between versions that it is worth walking through each pattern.

In the classic respin pattern used by Nightlife and Diamonds, triggering the feature locks the bonus symbols in place and awards a set number of respins, generally 3. Every new bonus symbol that lands locks and resets the respin count. Each locked symbol carries a credit value, and some can reveal one of the four progressive jackpots. In Diamonds the jackpot ladder is fixed at Mini 40x, Minor 100x, Major 200x and Grand 5,000x, and the Major and Grand only appear on reel 3, which makes the center reel the one to watch. When the respins run out, you collect the total shown on the board. Diamonds also offers an alternative free spins path that awards 6 spins with a 5x multiplier, where landing wilds during the round adds further multipliers of 3x to 8x.

In the collection pattern used by Piggy Bankin’ and Eureka Reel Blast, the feature revolves around filling the grid. Piggy Bankin’ triggers its Piggy Bank Lock It feature with 6 or more scatters, locks them, and lets the locked symbols transform into higher shapes as the round progresses. Eureka Reel Blast triggers its Dynamite lock with 6 or more dynamite bundles, then awards 5 dynamite spins, with each new dynamite locking in place until the whole grid is covered or the spins run out. Both games can escalate into a Superlock round. The Superlock wheel appears at the end of certain features and guarantees a reward, which can be extra free spins, a re-entry into the feature, a pile of credits or one of several non-progressive jackpots. That Superlock layer is the single biggest reason the online builds of these two titles can pay so much more than the base feature suggests.

Hold Onto Your Hat takes a third route by integrating a free spins bonus into the lock feature itself, so instead of choosing between respins and free spins you experience a combined round. The result is a longer, more layered bonus, though because this version has stayed on the casino floor its exact online payout math is not published for internet play.

Version by Version

Lock It Link Nightlife

Nightlife launched in 2017 and is the title that defined the brand. It runs on a 5 reel, 3 row layout with 50 fixed betways, a published RTP of 96.02 percent and medium volatility. The betting range spans $0.50 to $45 per spin, and the theme leans into an upscale, after-hours world of champagne, gold and crystals. The bonus symbol is a heart-shaped locket, and the signature Lock It Link respin feature awards 6 free spins when it triggers. Because it was the first, its trigger is the simplest in the family: land 3 or more bonus symbols and the respins begin. There is no bonus buy option.

Nightlife is where the online versus land-based distinction matters most. On the casino floor it is a staple, but in legal US online lobbies its distribution has been limited and inconsistent. Independent scans of New Jersey online casinos have at times found the title not currently placed in any of them, even though it appears in online lobbies in several other countries. Treat Nightlife as a land-based classic whose online availability in this market rotates rather than one you can count on loading at any given operator. An official maximum win multiplier is not published for the game, and while some secondary sources cite a figure near 1,000x, we leave the cell blank rather than present an unverified number as fact.

Lock It Link Piggy Bankin’

Piggy Bankin’ is the money-and-mischief entry, and it is one of the versions Light and Wonder has adapted into a modern online build, released online in March 2024 as Piggy Bankin’ Super Lock. It uses a 5 reel, 3 row grid, but unlike most of the family it runs on just 20 fixed paylines rather than 50. The published RTP sits at about 96 percent, and the demo build does not state a volatility rating or an official max win, so we leave those as not published. The betting range on the reviewed build runs from 1 to 25 credits. The wild is a coin symbol appearing on reels 2 through 5, and the collection symbol is the piggy bank.

What sets Piggy Bankin’ apart is the combination of the six-symbol lock trigger and the Superlock wheel. Landing 3 to 5 piggy banks awards instant prizes of 2x, 15x or 100x through feature selection, while 6 or more launches the full Piggy Bank Lock It feature, where locked symbols morph into higher shapes and a Superlock wheel can add further prizes at the end. There is also a free games bonus awarding 10, 15 or 25 spins with a 2x multiplier on line and scatter pays. This is a genuinely online-playable version in the legal US market, subject to the usual operator-by-operator rollout.

Lock It Link Diamonds

Diamonds is the version most players will find easiest to load online in this market, having arrived as an online release on December 5, 2022. It uses the classic 5 reel, 3 row, 50 fixed line layout with a 96.02 percent RTP and medium, or level 4, volatility. Bets run from 0.50 to 45 per spin. The published maximum win is 5,000x your stake, which lands exactly on the Grand jackpot value, and that clean structure is part of what makes Diamonds a good showcase for the brand. The wild lands on reels 2 through 4 and carries a 2x multiplier in the base game, and the scatter is a red heart.

The feature selection screen is the highlight. Land 3 or more hearts on reels 2, 3 and 4 and you choose between a free spins bonus and the Lock It Link feature. The free spins path gives 6 spins at a 5x multiplier with the chance to add 3x to 8x more from wilds. The Lock It Link path locks hearts in place, reveals cash values from 1x up to 100x, and can reveal the Mini 40x, Minor 100x, Major 200x or Grand 5,000x jackpots, with the two top tiers restricted to the center reel. Because the jackpots are fixed rather than progressive, you always know exactly what the top prize is worth relative to your bet, which many players prefer.

Lock It Link Eureka Reel Blast

Eureka Reel Blast is the gold-rush entry, and it exists in two forms. The land-based cabinet arrived first and is a fixture on casino floors, where the Lock It Link feature triggers on 6 or more scattered dynamite symbols and awards 5 dynamite spins, with locked symbols able to form gold nugget reels and progressive prizes up to 750x total bet on the cabinet. The online adaptation, Eureka Reels Blast Superlock, was released March 31, 2020 and is the one you can find in online and mobile lobbies. The online Superlock build reports a higher 96.4 percent RTP, a 5 reel, 3 row, 50 line layout, a betting range of 0.10 to 200, and a published maximum win of 100,000x, driven by the Superlock wheel and its stacked jackpots.

The online version splits its bonuses cleanly. Six or more dynamite bundles trigger the Lock It Link round of 5 locking spins, paying by symbol pattern from roughly 0.5x to 75x. Separately, 3, 4 or 5 mine tunnel entrance symbols award 12, 15 or 20 free spins. Either feature can hand off to the Superlock wheel, which guarantees a reward such as extra spins, a re-entry, credits or one of five non-progressive jackpots. The wild is a stacked gold chunk that does not pay on its own. This is one of the strongest online Lock It Link titles precisely because the Superlock layer stacks so much potential on top of the base feature.

Lock It Link Hold Onto Your Hat

Hold Onto Your Hat is the version that pushed the brand’s mechanics forward, and it is the one you will not reliably find in a legal US online lobby. It introduced a third Lock It Link scenario by weaving a free spins bonus directly into the lock feature rather than offering it as a separate choice, which made the bonus round longer and more layered than the original Nightlife design. It also raised the minimum bet above the 50 cent floor used by the earlier games, positioning it as a slightly higher-stakes cabinet on the floor.

Because Hold Onto Your Hat has remained a land-based cabinet game in this market, several of its specs are simply not published for online play. Its RTP, official maximum win and release year are not stated in the material Light and Wonder distributes for internet lobbies, so we do not guess at them. If you enjoy it on a casino floor, the closest online experiences are Diamonds for the feature-choice structure and Eureka Reels Blast Superlock for the layered, wheel-driven bonus. We list it here for completeness and label it clearly as land-based only so nobody goes looking for it online and comes away confused.

Land-Based Only Titles

To be completely clear about what you can and cannot play online in this market:

• Hold Onto Your Hat is a land-based cabinet game and is not offered as a dedicated real-money online slot in the legal US market at this time.
• Lock It Link Nightlife exists as an online product internationally, but its distribution across legal US online casinos has been limited and rotating, so on any given day it may not be loadable at your operator even though it is a floor staple.
• The original Eureka Reel Blast cabinet is land-based. The version you can play online is the reworked Eureka Reels Blast Superlock.

The versions you can most reliably load in a legal US online lobby right now are Diamonds, Eureka Reels Blast Superlock and Piggy Bankin’ Super Lock, always subject to which titles your specific operator has licensed.

Lock It Link Versus Lightning Link

Players often mix up Lock It Link with Lightning Link, because both are Light and Wonder hold-and-win brands with locked symbols, respins and Mini through Grand jackpots. The key difference is when the top prizes are decided. In Lightning Link the Grand can be won by filling the entire screen during the hold-and-spin. In Lock It Link, filling the screen collects all the on-board values, but the progressive jackpots are generally awarded at the trigger and by the values that land on the symbols themselves, not simply by covering every position. That is why chasing a full board in Lock It Link is about maximizing collected credits rather than guaranteeing the Grand.

The other practical difference is variety of structure. Lightning Link keeps a consistent format across its themes, while Lock It Link deliberately varies the trigger and bonus flow from one title to the next, from the 3 symbol respin of Nightlife and Diamonds to the six-symbol collection of Piggy Bankin’ and Eureka Reel Blast, to the integrated free spins of Hold Onto Your Hat. If you like knowing exactly how a series behaves before you sit down, Lightning Link is more uniform. If you enjoy learning a fresh feature per theme, Lock It Link rewards that curiosity.

Tips for Playing Lock It Link

None of the following changes the math, since online slots run on certified random number generators, but a few habits make the sessions more enjoyable. First, learn the trigger for your specific version before you bet up, because the difference between a 3 symbol and a 6 symbol trigger changes how often the feature appears. Second, watch the center reel in the jackpot versions like Diamonds, where the Major and Grand only surface on reel 3. Third, size your bet so you can survive the quiet base game long enough to reach the bonus, since almost all of the value in this family sits inside the feature. If you want to understand why results cannot be predicted from past spins, our explainer on how a certified random number generator works lays it out plainly.

Playing Lock It Link on Mobile

The online Lock It Link builds are made for touch screens, and the locking mechanic actually translates well to a phone because the action naturally pauses between respins. On both iOS and Android you play through the operator’s app or mobile browser with no separate download of the slot itself, and the reels, jackpot meters and Superlock wheel all scale to the smaller display. If you plan to play primarily on a handset, our mobile slots guide covers which apps run these Light and Wonder titles smoothly and how to keep bet sizing readable on a small screen.

Where to Play Lock It Link

If you want to spin a Lock It Link title for actual money, start at a regulated operator in a state where online casino play is legal. Our legal online casinos hub lists the licensed sites available in your market, and you can cross-reference the ones that stock Light and Wonder slots from the table above. You can also try the free demo versions first to learn the trigger and feature flow before committing a deposit, then switch to real money play once you are comfortable with how the lock feature behaves.

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