# TACF · Turkish Atari Coding Freaks

> Archive of the Atari 8-bit demos made by TACF, a demo group from Turkey active in the late 1980s and early 1990s. Also known as Turkish Atari Cracking Force. The demos run in the browser from their original 6502 code, graphics and music; the original XEX/ZIP files can be downloaded for emulators or real Ataris.

Site: https://tacf.party/ (English) · https://tacf.party/?lang=tr (Türkçe) · Pouët group: https://www.pouet.net/groups.php?which=2769

## Demos

- [Oh My Dot!](https://tacf.party/demos/oh-my-dot/): The original dots, fonts, scrolling messages and music, running in your browser. Credits: code: Detail, shapes: Sine.
- [Sine Intro](https://tacf.party/demos/sine-intro/): Sine’s intro with its original raster colours, scrolling text, moving TACF players and music. Credits: code: Sine.
- [Turkish Atari Cracking Force Demo II](https://tacf.party/demos/turkish-atari-cracking-force-demo-ii/) (1993): A moving TACF logo, rainbow raster bars, stars and the original scrolling messages and music. Credits: code: Detail.
- [TACF Strikes Back](https://tacf.party/demos/tacf-strikes-back/) (1992): A waving TACF banner, CPU-painted colour bars, animated messages, moving players and original music.
- [Turkish Atari Cracking Force Demo](https://tacf.party/demos/turkish-atari-cracking-force-demo/): A luminous wave, moving players, reflected scrolling text, typed messages and original music.
- [TACF 7th](https://tacf.party/demos/tacf-7th/) (1992): Five scrolling messages, a moving TACF logo, raster bars, reflected text and original music.
- [We Use Your $D40B](https://tacf.party/demos/we-use-your-d40b/): A panel of scrolling effects, colourful meters, a timer, the Turkish flag and original music.

## Members

Page: https://tacf.party/members/

- **Sine (Bigboy)**, Emre Çelenli: Today a senior agentic software engineer working on multi-agent AI orchestration. He started out as a web and application developer in New York in the late 1990s, at Turkish Voice, Visual Retail Plus and Mavi. Back in Istanbul he became a software architect, then a software development manager at Cmos Teknoloji, leading around fifteen developers and moving the company’s projects to .NET Core and Azure. He also founded Social IT Club.
- **Lucifer (Camelgun)**, Cem Günal: Founder of Komtera Teknoloji (2008), one of Turkey’s leading cybersecurity distributors, and a partner in Veri Kurtarma Hizmetleri A.Ş. since 2006, a pioneer of professional data recovery and computer forensics in Turkey. He co-founded Laykon Bilişim Teknolojileri in 2016 and for fourteen years ran Forensas, a computer and mobile forensics laboratory. A Boğaziçi University graduate, he has appeared on TV as a commentator on data theft and cyber incident response.
- **Detail (Detaybey)**, Umut Oğuz Çelenli: Senior software developer at Deep Network GmbH since 2019. He has built an event hub on Azure Event Hub and Data Lake Analytics, a smart-monitoring system for a major appliance manufacturer, and worked on Joseki, an open-source set of cloud security tools. Before that he led a development team in Yokohama, Japan, building SNMP tools for NEC network devices.
- **Cino (Utopia)**, Recep Cinet: Founder of Utopic Games since 2015. He is the developer behind Epic of Gilgamesh, an adventure RPG coming to Steam that follows Gilgamesh from Eridu to Uruk with Enkidu, Urshanabi and Bau, with crafting and sayings from Mesopotamian sages. Since 2019 he has also been a senior software developer at Komtera Teknoloji. He spent fourteen years leading software teams at Eko Group / Teknomart, and in 2001 co-founded Piksel Bilgisayar.

## Album

Photos of the founders, then and now: https://tacf.party/album/