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Explore the Playground!
Explore the Playground!

CREATIVITY MEETS INTELLIGENCE

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Playground - Where Ideas Become Playable

Welcome to the Playground - the interactive side of AI Engineer Hub, where ideas move beyond words and become something you can actually play, explore and experience.

Here, you’ll find a growing collection of original projects, including:

📱 Mobile apps designed for everyday use, focus, and fun
🎮 Game concepts and playable titles built around strategy, creativity, and immersion
🧪 Experimental digital projects that explore new ideas in interactive form

The Playground is where creativity meets interactivity.

Whether you enjoy logic, strategy, world-building, or simply discovering something new, this is the place where AI Engineer Hub turns concepts into playable realities.

Retro controller with curved cableRetro controller with curved cable
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A guild master planning at a desk for the dark fantasy RPG Adventure Inc: Dark Fantasy Guild Management.A guild master planning at a desk for the dark fantasy RPG Adventure Inc: Dark Fantasy Guild Management.
A magical potion bottle glows with purple light on an alchemist's workbench with herbs and spellbooks.A magical potion bottle glows with purple light on an alchemist's workbench with herbs and spellbooks.
A glowing neon Sudoku Mastermind Hub puzzle board illuminated in purple and blue light on a dark marble surface.A glowing neon Sudoku Mastermind Hub puzzle board illuminated in purple and blue light on a dark marble surface.
Coin flip and dice roll app banner featuring a 2 Euro coin, white gaming die, and purple crystal ball on a dark background.Coin flip and dice roll app banner featuring a 2 Euro coin, white gaming die, and purple crystal ball on a dark background.
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KRAGOR (In Development)

An Orc tower-defense deckbuilder coming to iOS and Android.

Build your deck and prepare the fortress
Deploy Orc defenders across four lanes
Construct and upgrade powerful Towers
Survive escalating waves of invaders

KRAGOR Kickstarter cracked stone bannerKRAGOR Kickstarter cracked stone banner
Join the Campaign!
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Adventure Inc.

A dark fantasy guild management game.

Hire adventurers and pay their wages
Send teams on dangerous contracts
Manage morale, injuries, and risk
Build your guild hall and grow your reputation

Adventure Inc. App Icon
Adventure Inc. App Icon
Download on the iOS App Store (Apple)
Adventure Inc. RPG app landing page featuring a wooden background and gold typography.
Adventure Inc. RPG app landing page featuring a wooden background and gold typography.
Fantasy RPG mobile game interface showing resource management, gold, morale, and staff stats.
Fantasy RPG mobile game interface showing resource management, gold, morale, and staff stats.
Fantasy RPG party of a knight, elf, and dwarf standing before a golden castle under sunbeams.
Fantasy RPG party of a knight, elf, and dwarf standing before a golden castle under sunbeams.
Fantasy game art of a ruined stone hall with gold coins and a broken sword on the floor.
Fantasy game art of a ruined stone hall with gold coins and a broken sword on the floor.
Mobile game UI showing fantasy headquarters with reception and barracks upgrade options.
Mobile game UI showing fantasy headquarters with reception and barracks upgrade options.
RPG character status screen showing a level 1 warrior adventurer with stats for combat and survival.
RPG character status screen showing a level 1 warrior adventurer with stats for combat and survival.
Download on Google Play Store (Android)
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The Alchemist

A cozy fantasy alchemy adventure.

Forage for rare ingredients
Brew powerful magical potions
Sell your creations and earn gold
Upgrade your skills and grow your reputation

The Alchemist App Icon
The Alchemist App Icon
A mobile fantasy RPG game interface showing a sunset view of the Crystal Mountains location.
A mobile fantasy RPG game interface showing a sunset view of the Crystal Mountains location.
Pixel art of Rogan, a hooded dark merchant character wearing a green cloak with a wooden staff and backpack.
Pixel art of Rogan, a hooded dark merchant character wearing a green cloak with a wooden staff and backpack.
A mobile game interface showing The Alchemist's Shop menu with customer potion requests.
A mobile game interface showing The Alchemist's Shop menu with customer potion requests.
A mobile RPG interface showing a Misty Swamp location with fog, stamina bars, and forageable swamp algae.
A mobile RPG interface showing a Misty Swamp location with fog, stamina bars, and forageable swamp algae.
A mobile game interface showing an alchemy cauldron brewing a Fireheart Elixir with Ember Root and Solar Blossom.
A mobile game interface showing an alchemy cauldron brewing a Fireheart Elixir with Ember Root and Solar Blossom.
A screenshot of a mobile game's 'Alchemist' skill tree, showcasing upgrades like 'Master Brewer' and 'Grand Alchemist' for
A screenshot of a mobile game's 'Alchemist' skill tree, showcasing upgrades like 'Master Brewer' and 'Grand Alchemist' for
Download on the iOS App Store (Apple)
Download on Google Play Store (Android)
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Sudoku Mastermind

A clean and challenging Sudoku experience.

Play classic Sudoku anytime
Train logic and concentration
Enjoy a simple, focused design
Great for quick sessions or long play

Sudoku Mastermind App Icon
Sudoku Mastermind App Icon
Sudoku mobile game menu with difficulty levels Easy, Medium, and Hard on a blue gradient background.
Sudoku mobile game menu with difficulty levels Easy, Medium, and Hard on a blue gradient background.
Sudoku mobile app interface featuring a minimal puzzle grid with numbers and game control buttons.
Sudoku mobile app interface featuring a minimal puzzle grid with numbers and game control buttons.
Mastermind Sudoku puzzle book cover featuring a space theme and 500 plus challenges.
Mastermind Sudoku puzzle book cover featuring a space theme and 500 plus challenges.
Minimalist Sudoku puzzle mobile app interface with numbered grid and blue UI elements.
Minimalist Sudoku puzzle mobile app interface with numbered grid and blue UI elements.
Sudoku for Adults puzzle book cover featuring meditation and stress relief themes for mind relaxation.
Sudoku for Adults puzzle book cover featuring meditation and stress relief themes for mind relaxation.
A completed Sudoku puzzle on a mobile app with a minimal UI and a congratulations message.
A completed Sudoku puzzle on a mobile app with a minimal UI and a congratulations message.
Download on Google Play Store (Android)
Download on the iOS App Store (Apple)
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Coin Flip & Dice Roll

A simple tool for games and quick decisions.

Flip a virtual coin
Roll up to ten custom dice
Ask the Prophet a yes-or-no question
Free, ad-free, and available offline

Coin Flip & Dice Roll App Icon
Coin Flip & Dice Roll App Icon
A mobile app interface showing a 2 Euro coin toss result landing on tails for a digital coin flip game.
A mobile app interface showing a 2 Euro coin toss result landing on tails for a digital coin flip game.
A mobile app interface for a dice roll simulator displaying a sum of thirteen from three six-sided dice.
A mobile app interface for a dice roll simulator displaying a sum of thirteen from three six-sided dice.
Screenshot of a Coin Flip and Dice Roll mobile app showing the Ask the Prophet decision maker interface.
Screenshot of a Coin Flip and Dice Roll mobile app showing the Ask the Prophet decision maker interface.
Download on Google Play Store (Android)
Download on the iOS App Store (Apple)

Follow the journey as curiosity becomes creation

Bold white capital letters spelling AI for artificial intelligence centered on a solid black background.
Bold white capital letters spelling AI for artificial intelligence centered on a solid black background.

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