For casinos, operators & aggregators

Slots with a
plot twist.

Every title gets its own mechanic, its own screen and a hero players remember. No reskins of reskins. Then we do the boring part properly too: math, simulations, certification-ready files and store media.

See the games ↓Mechanics, demos & math →Order a slot →

01 / 03

Bloody Win celebration, 374.40 on a 1.00 bet

Live on Stake Engine

Vampir: Graveyard Shift

Uncle Vlado took the only job that fits his hours: night watchman at the graveyard. His bats do the real work. They grow with every tumble, and when Vlado gets peckish he bites the board and doubles them. Free spins are one night shift, from 21:00 to 07:00.

6×5Scatter pays + tumbles

25,000×Max win

96.50%RTP in all 5 bet modes

3 tiersFree spins + bonus buys

Concept & GDDCharacter artAnimationMath & simsFront-endMusic & SFX

Play it on Stake Watch the gameplay → Read the case study →

02 / 03 In-game capture: the rakia pours, the grid soaks, the multipliers climb.

Next release

Rakia Lab

Grandpa Pesho distils rakia from anything that grows. A Bottle Wild tips over and the rakia runs down a 7×7 glass grid, soaking every cell into a multiplier spot (×2 up to ×500). In free spins the lab floods row by row. Yes, the liquid is a real shader.

7×7Cluster pays

×500Top multiplier spot

96.00%RTP in all 5 bet modes

5 modesBase, enhancer + 3 buys

7×7 cluster paysLiquid shader5 bet modes96.00% RTP

Ask about Rakia Lab →

03 / 03 Hover for the epic win screen.

In production

Thracian Gold

Torch-lit tombs and hammered gold on 5×3 with 20 lines. Masks dig through The Mound's chambers in free spins (×2 to ×10) and Horseman Charge wilds ride through the base game.

5×320 lines

×2–×10Mask multipliers

WildsHorseman Charge

MobileOwn portrait layout

Ask about Thracian Gold →

On the drawing board

Art & UI kits,
ready to spin up.

Two more worlds with their mechanic on paper and their art done. Hover them for the symbol sets.

Balkan Dragon

Art & UI kit

6×5 pay anywhere. The global multiplier grows with every tumble, then the dragon burns the low symbols for one last drop.

Moon Nymphs

Art & UI kit

7×7 cluster tumbles in a moonlit forest. Every symbol has a light set and a dark eclipse set for the duel feature.

What lands in your inbox

The whole slot.
Not just the pretty part.

📜

Concept & GDD

Mechanic, hook, title check against what's already out there, and a design doc your team can actually read.

🎨

Art & animation

Hero, symbols, backgrounds, UI kit, big-win sequences and character animation for desktop and mobile.

🧮

Math & simulations

Reel strips or books, RTP per bet mode, hit rate, volatility and the tail checked across millions of spins.

💻

Front-end build

A fast WebGL client for Stake Engine or your own RGS, plus a local mock so QA can test without a server.

🎧

Music & SFX

Base and bonus loops, big-win stingers and UI sounds, mixed so they don't fight the game.

📦

Launch kit

Store tiles, covers, a launch page, banners and the reviewer notes, documented for review before anyone asks.

The nerdy part

Math you can
actually check.

Every bet mode is simulated on its own and lands inside the target band. Here is the real sheet for Vampir: five ways to play, one RTP and one max win.

Our math department, checking the RTP for the 14th time.

Bet mode	Cost	RTP	Max win
Base game	1×	96.50%	25,000×
Night Owl (enhancer)	2×	96.50%	25,000×
Graveyard Shift (buy)	100×	96.50%	25,000×
Overtime Shift (buy)	300×	96.50%	25,000×
Blood Moon Shift (buy)	1,000×	96.50%	25,000×

Base game hits about 1 in 3 spins, and free spins land about 1 in 320 (1 in 160 with Night Owl on).

Watch a real 25,000× max win: a Blood Moon Shift from the published books ▶ · the whole math sheet

Ways to work together

Pick your
flavour.

Custom title

Your idea, built from scratch

You bring the theme or the market. We bring the mechanic, art, math and build. The IP is yours.

Full concept to launch kit
Weekly playable builds
Exclusive to you

Fastest

Reskin one of ours

Take a proven mechanic from our library and dress it in your brand, story and colours.

New art and theme
Math tuned to your RTP
Weeks, not months

Studios

Extra hands

Already have a team? We plug in where it hurts: art, animation, math sims, front-end or sound.

Per task or per sprint
Your pipeline, your tools
No drama, just output

Questions people actually ask

FAQ, but fun.

Can you hit a specific RTP?

Yes. Tell us the band (for example 94%, 96% or 96.5%) and every bet mode gets simulated into it. You get the numbers with the build, not a promise.

Which platforms do you build for?

Stake Engine natively, and any RGS that can talk to a web client. If yours has a quirky API, we've seen quirkier.

How long does a slot take?

A reskin takes a few weeks. A custom title with its own mechanic takes a couple of months, with something playable in the first weeks so you're never waiting in the dark.

Do you do bonus buys and enhancers?

Bonus buys, ante bets, feature tiers and super spins are all there, each simulated separately so none of them breaks the math.

Will my slot look like everyone else's?

Only if you ask nicely. And we'll still argue. Our rule is one signature mechanic per game that the market doesn't have yet.

Read up

How a slot
gets to live.

All posts →

Studios · Stake EngineFrom idea to live on Stake Engine: how an indie slot gets approvedThe path Vampir took, with the boring bits left in → Operators · mathRTP, volatility and hit rate, explained for people who buy gamesWhat each number on a game sheet means for your hold → Case studyVampir: Graveyard Shift, the whole jobThe hook, the art, the math sheet and the review prep →

Got a theme
nobody has done?

Or one everybody has done, but you want it better? Either way, we're listening.

Pitch us your slot Telegram

Slots with aplot twist.