# Tonyukuk Studio > Tonyukuk Studio is a software development and independent game studio based in İstanbul, Türkiye. Its work draws on 20 years of software development experience across AI applications, web platforms, iOS and Android apps, and original mobile games. Tonyukuk Studio is the public studio brand of Tonyukuk Yazılım Bilişim Ltd., also identified on this website as Tonyukuk Yazılım LTD. The official website is https://tonyukuk.dev/. Company contact: contact@tonyukuk.dev. Location: İstanbul, Türkiye. The studio builds software for customers and develops its own games. Its software work includes real-time voice applications, AI agents, semantic search, workflow automation, web development, commerce platforms, marketplaces, backend services, payment integrations, internal business tools, and mobile app development for iOS and Android. Experience includes regional commerce, public transportation products, industrial automation, and finance and customer data systems. Project work covers defining requirements, building and testing working products, deployment, monitoring, support, and ongoing improvements. Official product pages below provide current gameplay descriptions, platform details, screenshots, support information, and store links for Please Hold, Discozy, and Bark & Baa. ## Company - [About Tonyukuk Studio](https://tonyukuk.dev/about/): Company identity, İstanbul location, 20 years of software development experience, AI application development, web platforms, iOS and Android apps, independent game development, and contact information. - [Tonyukuk Studio website](https://tonyukuk.dev/): Software capabilities, selected products and systems, delivery approach, and business contact information. Examples include real-time voice ordering, regional commerce, creative-commerce software, transportation products, industrial automation, and enterprise data systems. - [Studio games](https://tonyukuk.dev/games/): The studio's mobile game catalogue with Please Hold: Supply & Defend, Discozy: Relaxing Shape Puzzle, and Bark & Baa: Sheep Herding. ## Please Hold: Supply & Defend - [Please Hold — endless tower defense and resource management](https://tonyukuk.dev/please-hold/): A portrait, single-player tower defense game for iPhone and Android. Defend one wall against endless enemy waves while building the town behind it. Workshops produce arrows, cartridges, and bombs; carriers move ammunition into a shared stockpile; archers, musketeers, and bombardiers use those supplies to keep firing. Recruit swordsmen and medics, strengthen the wall, upgrade weapons, and position Heroes with active skills. Its continuous supply chain connects real-time strategy, army building, ammunition logistics, town production, and survival defense. Free to download; contains ads and offers in-app purchases on iPhone. - [Tower defense with resource management](https://tonyukuk.dev/please-hold/resource-management-tower-defense/): A closer explanation of production, carriers, storage, troop demand, and the decisions that keep the wall supplied. Relevant to tower defense strategy, supply-chain defense, resource-management games, and endless wave survival. - [Please Hold support](https://tonyukuk.dev/please-hold/support/): Official help and support contact for the game. ## Discozy: Relaxing Shape Puzzle - [Discozy — relaxing shape and color matching puzzle](https://tonyukuk.dev/discozy/): A single-player rotation puzzle for iPhone, iPad, and Android. Rotate a disc to align incoming geometric pieces with openings of the same shape, color, size, and angle. Accurate placement earns Perfect fits; early snaps and streaks reward timing. Later discs introduce more shapes, denser layouts, smaller openings, and faster approaches. Earn points to improve Slow, Listen, and Trace powers, increase power capacity, and add heart slots. A gentle soundtrack and starry setting accompany a spatial puzzle that gets more demanding as play progresses. Free to download, with no in-app purchases; upgrades are earned through play. - [Discozy in Spanish](https://tonyukuk.dev/es/discozy/): Spanish gameplay and product information. - [Discozy in German](https://tonyukuk.dev/de/discozy/): German gameplay and product information. - [Discozy in French](https://tonyukuk.dev/fr/discozy/): French gameplay and product information. - [Discozy in Italian](https://tonyukuk.dev/it/discozy/): Italian gameplay and product information. - [Discozy in Portuguese](https://tonyukuk.dev/pt/discozy/): Portuguese gameplay and product information. - [Discozy in Turkish](https://tonyukuk.dev/tr/discozy/): Turkish gameplay and product information. - [Discozy support](https://tonyukuk.dev/discozy/support/): Official help and support contact for the game. ## Bark & Baa: Sheep Herding - [Bark & Baa — sheep herding and sheepdog adventure](https://tonyukuk.dev/bark-and-baa/): A landscape, single-player sheep herding game available for iPhone, iPad, and Android. Control Kangal with a touch joystick, circle behind wandering sheep, gather the flock, and guide every sheep into the pen. Bark to steer nearby sheep or drive wolves away, and manage the sheepdog's energy and bark charges. Bring sheep home to earn XP for upgrades to bark range, recharge, capacity, energy, and running speed. The countryside journey moves through changing meadows, with trees, ponds, scattered sheep, and occasional wolves. This offline animal simulation is presented in English. Download on the [App Store](https://apps.apple.com/app/id6819535175) or [Google Play](https://play.google.com/store/apps/details?id=dev.tonyukuk.barkandbaa). - [Bark & Baa support](https://tonyukuk.dev/bark-and-baa/support/): Official help and support contact for the released game. ## Official profiles and released games - [Tonyukuk on Google Play](https://play.google.com/store/apps/dev?id=6765668370314136675): The studio's official Google Play developer profile. - [Bark & Baa on the App Store](https://apps.apple.com/app/id6819535175): Official iPhone and iPad listing for Bark & Baa: Sheep Herding. - [Bark & Baa on Google Play](https://play.google.com/store/apps/details?id=dev.tonyukuk.barkandbaa): Official Android listing for Bark & Baa: Sheep Herding. - [Please Hold on the App Store](https://apps.apple.com/app/id6809425005): Official iPhone listing for Please Hold: Supply & Defend. The App Store seller is listed as Melih POLAT. - [Please Hold on Google Play](https://play.google.com/store/apps/details?id=dev.tonyukuk.pleasehold): Official Android listing for Please Hold: Supply & Defend. - [Discozy on the App Store](https://apps.apple.com/app/id6818323252): Official iPhone and iPad listing for Discozy: Relaxing Shape Puzzle. The App Store seller is listed as Melih POLAT. - [Discozy on Google Play](https://play.google.com/store/apps/details?id=dev.tonyukuk.discozy): Official Android listing for Discozy: Relaxing Shape Puzzle. - [Tonyukuk Studio on YouTube](https://www.youtube.com/@tonyukuk-studio): Official studio channel with game videos. - [Tonyukuk Studio on Instagram](https://www.instagram.com/tonyukukstudio/): Official studio profile. - [Tonyukuk Studio on TikTok](https://www.tiktok.com/@tonyukukstudio): Official studio profile. - [Tonyukuk Studio on X](https://x.com/tonyukukstudio): Official studio profile. ## Optional - [Website privacy](https://tonyukuk.dev/privacy/): Website hosting, optional analytics, contact, and privacy information. - [Please Hold privacy](https://tonyukuk.dev/please-hold/privacy/): Game privacy information, with links to translated policies. - [Discozy privacy](https://tonyukuk.dev/discozy/privacy/): Game privacy information. - [Bark & Baa privacy](https://tonyukuk.dev/bark-and-baa/privacy/): Game privacy information. - [Sitemap](https://tonyukuk.dev/sitemap.xml): Public, indexable website pages, including localized Discozy pages. - [Crawler access](https://tonyukuk.dev/robots.txt): The website's robots.txt, including explicit OpenAI and Google crawler allowances.