Upcoming Slot Releases This Week – New Online Slots (May 18 – May 24)

This week's releases don't have much in common beyond the release window.

A neon-purple ghost town from a studio that doesn't get enough attention, a polished Asian modifier slot that gives you a choice before the bonus even starts, a sci-fi robot cat with a roaming wild that keeps climbing, a franchise entry that loads the Dog House formula with more betting options than it's ever had, and a burning funhouse that runs on a pendulum you can't control. High volatility dominates the week, with medium entries on either side keeping things from going fully off the rails.

There's no clean thread connecting them. The theme jumps, the mechanics jump, the studios jump. You just pick whichever one matches where you are right now and find out what it's built for.

Check out this week's new online slots, with full details on RTP, volatility, max wins, and bonus features for every game releasing between May 18 and May 24.

Bone and Bullets (Titan Gaming)

Release Date: May 18

Titan Gaming isn't a studio you see every week, and Bone and Bullets makes a case for why they should be. The setting is a neon-purple ghost town, skull symbols, wanted posters, a skeleton sheriff, bombs with faces, dark and cartoonish in a way that doesn't take itself seriously but doesn't feel cheap either. It has a visual identity. You know exactly what kind of game this is the moment it loads.

What's less obvious is how much is running underneath it. Expanding Wild Reels can swallow a full column. A Stage Multiplier, 5x, 20x, 50x, or 100x, can fire randomly at the start of any spin and applies to everything that lands. Those two things overlapping in the same spin is where the 50,000x ceiling stops feeling distant.

The bonus tiers escalate based on how many scatters land. Bone Raid, Final Bounty, Wanted Heist, each runs 12 free spins with the multiplier climbing through stages rather than sitting flat. More scatters means you start higher and end somewhere more serious.

Then there's Bonus Buy Battle. You go head to head against Billy the Bully, each running your own bonus round. Highest total wins both pools. Lose and you get nothing. It unlocks the 100,000x winning potential and reframes the whole risk model, less about variance, more about whether you're willing to bet on yourself.

Dragon’s Gate – Bonus Choice (Pragmatic Play)

Release Date: May 18

Dragon's Gate – Bonus Choice sits comfortably in Pragmatic Play's Asian-themed modifier slot lineage, think Chests of Caishen's visual DNA transplanted into a waterfall setting, with the same prize bar overhead and the same serene landscape stretching behind the reels. Koi fish leap, colored waterfalls collect scatter symbols, dragons fill wild positions. It looks exactly like the kind of game it is, and that's not a criticism, the presentation is polished and the theming is consistent from background to symbol set.

What separates it from the template is the choice mechanic. When the bonus triggers, three modifiers — Balance, Prosperity, and Vitality — can be active in any combination, and before anything starts you pick your path: free spins or respins. That decision shapes everything. Free spins lean on wild frames and extended spin counts. Respins lock sticky money symbols in place and build toward the Grand prize if every position fills.

The Balance modifier is the one to watch, it opens a second 5x3 grid, doubling the active surface area mid-round. When that combines with Prosperity's symbol upgrades or Vitality's extended reset counts, the round stops feeling like a standard bonus and starts feeling like several things happening at once.

Medium volatility and a 10,000x ceiling keep it grounded compared to the rest of the week. But the modifier combinations give it more texture than those numbers suggest.

Miko (Paperclip Gaming)

Release Date: May 18

Miko the Mechborn has a visual identity that's hard to miss. Neon-lit sci-fi lab, cartoon robot cats, mech suits, holographic displays, bright and kinetic in a way that feels closer to an anime opener than a slot lobby. The robot mascot standing beside the reels reacts to what's happening on the board, which keeps the presentation alive between spins rather than fading into the background.

The mechanic everything runs through is the 2x2 roaming wild. It carries a multiplier, moves to a new position every free spin, and steps up every time it contributes to a win, starting at 2x in the base bonus and climbing through 5x, 10x, 20x, 50x, all the way to 1,000x. That progression is the spine of the whole game. A wild that keeps moving and keeps growing means no two free spin sequences play out the same way.

How high you start depends on how many bonus symbols land. Three triggers Mechborn Bonus at 2x. Four triggers Mechborn Super at 5x. Five triggers Epic Miko Bonus at 10x. The gap between those starting points matters, getting into Epic Miko with the wild already at 10x and 10 spins to let it climb is a fundamentally different session than starting from scratch.

At 96% RTP and high volatility, the 10,000x winning cap is there but the wild has to do a lot of stepping to reach it. When it does, you'll know.

The Big Dog House (Pragmatic Play)

Release Date: May 21

The Dog House series has been running since 2019 and Pragmatic Play has kept it relevant by consistently adding something new rather than just reskinning what already worked. The Big Dog House brings the pack back to suburbia, white picket fence, tidy lawns, cheerful houses, and layers on more betting architecture than any previous entry in the franchise.

The core is familiar. Wild multipliers land on the middle three reels as normal, expanded, or colossal symbols, carrying 2x or 3x values that stack when multiple wilds share a win. Free spins are determined by a 3x3 spin grid rather than a fixed count, and two modifier scatters, Biggie and Ghost Out, change how the round plays out. Biggie stacks all wilds on the middle reels. Ghost Out introduces a roaming ghost wild on the rightmost reel that unsticks a random sticky wild each time it lands. Both can be active simultaneously.

What's new is the sheer volume of options sitting to the left of the reels. Four ante bets, four super spins, and five bonus buy tiers give players more ways to shape a session than most Pragmatic slots offer. The super spins in particular, guaranteeing expanded or colossal wilds at various cost tiers, add a base game dimension that the original never had.

At medium volatility and 96.53% RTP, The Big Dog House is one of the most accessible Dog House entries yet. The 15,000x max win potential gives it enough headroom to matter.

Red Rascal (Hacksaw Gaming)

Release Date: May 21

Red Rascal looks like nothing else releasing this week. The rubber hose animation style, think Cuphead without the cup heads, puts a devilish carnival rascal front and center against a burning funhouse backdrop. Rickety rides, carny atmosphere, jaunty accordion music. It's distinctive enough that you'd recognize it mid-scroll without reading the name.

The mechanic that drives everything is the Rascal Respin system. When three or more Rascal symbols land they stick and trigger a respin sequence, with a pendulum outside the grid swinging between Coin Mode and Wild Mode on each respin. When the sequence ends, whichever mode the pendulum lands on activates, turning all stuck Rascals into either coins with multipliers or wilds with multipliers. You don't control it. You just watch the pendulum and wait.

Rascal symbols that form squares merge into Colossal Rascals, carrying multipliers of up to 100x. A full 5x5 Colossal Rascal triggers the max win immediately.

Three bonus tiers escalate the chaos. Ready to Riot keeps it close to the base game. After Dark saves unused Rascal symbols in a bucket and dumps them all on the final spin. Ignite the Night guarantees four or more Rascals every spin with the pendulum activating on each one rather than only at the end.

At 96.34% RTP and high volatility, Red Rascal earns its place as the week's most visually and mechanically distinctive closer.

Red Rascal is this week's pick, and Bone and Bullets won't be happy about it.\

Titan Gaming's ghost town has the biggest ceiling of the week and a battle mechanic that puts your bonus round up against a villain's. On paper it should be the obvious choice. But Red Rascal does something that's hard to quantify and impossible to ignore, it has personality in every corner of the screen, and a mechanic that keeps you genuinely unsure of what's coming next.

The pendulum is the thing. It swings between Coin Mode and Wild Mode on every respin, and you don't influence it. You just watch it. That loss of control sounds like it should be frustrating, but in practice it creates a tension that most slots spend their entire feature sets trying to manufacture. Hacksaw Gaming built it into a single symbol outside the grid.

Ignite the Night makes it even better, the pendulum activating on every spin rather than just at the end turns the whole bonus into one long held breath.

96.34% RTP, high volatility, 15,000x max win. The numbers are fine. The feeling is what wins it.

Every game this week made a different bet on what keeps a player engaged.

Bone and Bullets put it in the confrontation, a villain to beat, a battle to win, a ceiling that only unlocks if you're willing to go all in. Dragon's Gate put it in the decision, letting you choose your path before the bonus even loads. Miko put it in the progression, a wild that won't stop climbing until it either runs out of spins or runs out of room. The Big Dog House put it in the options, more ways to shape a session than the franchise has ever offered. And Red Rascal put it in the uncertainty, a pendulum that swings where it wants and takes you with it.

None of them are wrong. They just require different things from you. Figure out which one matches your mood this week, and the rest takes care of itself.