Game Producer & Engine Programmer

Krzysztof Krystian Jankowski

Known as w84death

Game Producer at beffio | Engine Programmer | Pixel Artist | Retro (MS-DOS) Game Developer

What I bring to your team:

• 25+ years programming experience (Assembly, C, Pascal, JavaScript, Python, Lua)
• Game Engine Development from scratch - Web, Godot, OpenGL, custom DOS engines
• Pixel Art & 3D Graphics - complete visual pipeline from concept to implementation
• Retro Game Specialist - currently focused on MS-DOS, bootloader games (512 bytes!)
• Production Leadership - managing projects from concept to delivery at beffio

I ship games. From 512-byte bootloaders to full commercial projects.
Founded P1X Studio. Created Tanks of Freedom (58k+ downloads). Built FLOPPINUX.
I understand both the technical depth and production pipeline.

Core Expertise

Quick Navigation

1. Featured Work
2. Professional Experience
3. Notable Projects
4. Career Timeline
5. Resources & Links

Featured Work

Tanks of Freedom - Lead Designer

Proof I can ship successful games: One of the biggest games made in early Godot era.

• 58,000+ downloads (itch.io + FlatHub)
• 1.2K GitHub stars, 152 forks
• 7 languages supported
• Included in Linux, FreeBSD, F-Droid repositories

Homepage | Play | FlatHub | Source

FLOPPINUX - System Programmer

Proof I understand low-level systems: Complete Linux distribution on a single 1.44MB floppy.

• Front page of Hacker News
• Featured on Hackaday and Adafruit
• 196 GitHub stars, 15 forks
• Spawned community variants

Homepage | Source

smolOS

Tiny operating system for MicroPython on ESP8266/RP2040

• POSIX-like environment on microcontrollers
• 166 stars on GitHub

Homepage | Source

Current Focus: MS-DOS Game Development

Specialized retro development skills:

• 512-byte games: Land Me, Fly Escape, Bit of a Treasure, Moth Hunter
• VoxelSpace engine: CESSNA 172 recreation for DOS in Lua
• Currently developing Cortex Labs game with custom engine in x86 Assembly

Professional Experience

Senior Producer @ beffio (2023 - Present)

• Managing full game development cycles from concept to release
• Leading cross-functional teams of developers, artists, and designers
• Budget planning and resource allocation
• Stakeholder communication and project delivery

Senior Project Manager @ beffio (2021 - 2023)

• Managed Carolina Herrera 212 Heroes web game project
• Developed custom WebGL/ThreeJS game engine
• Coordinated with international clients
• Delivered projects on time and budget

Senior Game Developer @ beffio (2020 - 2021)

• Ported City Adventure to Unreal Engine 4
• Implemented physics-based traffic systems
• Blueprint visual scripting expertise

Founder & Lead Developer @ P1X Studio (2014 - Present)

• Created and shipped multiple indie games
• Built community around Tanks of Freedom
• Open-source development and community management

Technical Skills Summary

Career Timeline

2025

• Working on new engine and game in assembly Cortex Labs
• Created Morse Master for learning morse code for Flipper Zero
• Created Moon Phases for Flipper Zero
• Bought Flipper Zero for my 40th birthday
• Vibe codded Operation Dolphin game (Cloude + Sora)
• Due to main server hardware failure websites are served from Raspberry Pi4

2024

• Started recreating all my web pages after the Grate Server Failure
• Created BBS Server P1XArion using MysticBBS
• Created personal computer MonciaPC, powered by 8-bit Arduino Uno, with dedicated MonciaOS system
• Learned OpenAI API and made VisionVerse tool
• Made retro CGI graphics in Bryce 3D
• Started using Whisper locally for secure transcripts from calls
• Getting into x86 Assembly, 16-bit, programming
• Created 512 bytes sized games for bootsector: Land Me and Fly Escape in Assembly
• Finished Harvard course "Introduction to the Artificial Intelligence"
• Created another 512 bytes bootsector game Bit of a Treasure in Assembly
• Created 512 bytes DOS game for mouse input Moth Hunter in Assembly
• Archived Computer Scene articles from CD-Action magazine (1996-2001).
• Created KBD a Typing Exercise game
• Created Mysteries of the Forgotten Isles a bare-metal bootloader (512b) and a game in 5KB that runs on BIOS both in Assembly
• Created HEXView smol HEX Dump Viewer and ASMView smol ASM Viewer
• Created SpaceSnakes Love2D visual experiment
• Created Gen Maczek AI Card Game where backend and narration is handle byollama LLM

2023

• Become a Producer at beffio beffio
• Started dusing self-hosted Stable Diffusion using automatic1111's WebUI
• Created blog where I publish AI related stuff at bits-next.p1x.in
• Incorporated ChatGPT for fast prototyping (programming)
• Started training own models for Stable Diffusion using DreamBooth
• Become a Prompt Engineer and start teaching others how to talk with AI
• Created retro gaming Stable Diffusion models available at Civitai
• Created demo tool for my future 64KB demoscene demos (C++, GLSL)
• Started using LLaMA models for own Assistant written in Python
• Created tool for reading (audio) notifications from Mastodon (Python)
• Created tool for extracting ghost blog data into static HTML page (Python)
• Started using MicroPython for my microcontrollers
• Created smolOS a tiny operating system for ESP8266/RP2040 (MicroPython)
• Started using Windows 2000 retro computer for demo development (Delphi 7) and web pages editing (Front Page 2000)
• Created demo tool Bad Looking Cube for Delphi and OpenGL demoscene demos (Object-Pascal)

2022

• Created DOS game CESSNA 172 recreating VoxelSpace engine for DOS using LOVEDOS.
• Got SteamDeck! Now it's my main personal computer
• Become senior project manager at beffio
• Started using AI Generative Imaging using DALL-E mini
• Created my personal capsule for gemini protocol at floppy.p1x.in

2021

• Create game engine from scratch in WebGL/ThreeJS for Carolina Herrera 212 game. I was also managing that project.
• Started managing projects at beffio.
• Created my first Linux Distribution called FLOPPINNUX that fits on 1.44MB floppy.
• A simple, zen like puzzle game GreenWay with P1X Team in 48h GameJam.
• Created interactive fiction game in BASIC/DOS powered by my SDGI engine.
• First NFT sold!

2020

• Founded Cyfrowy Nomada.
• Joined beffio.
• Ported City Adventure to Unreal Engine 4 with physics-based traffic using Blueprints.
• Created prototype FPP game The Complex Project in Godot using Qodot plugin. Levels made in TrenchBroom.

2019

• Started using Blender 2.80.
• Trip to Tenerife of the Canary Islands.

2018

• Created arcade game ULTRA6000 in Godot. Runs on Raspberry Pi Zero.
• Created sport game Blobby Volley.

2017

• Created educational game You Will Type in JS.
• Created arcade game Vostok with P1X Team. Shown on trade shows.

2015

• Created arcade game Rat is Fat. Made with P1X Team. Game shown on trade shows.
• Created Cellular Automaton Engine in OpenGL/C++.

2014

• Founded of P1X Indie Game Development Studio.
• Created logic game Bit Wars
• Created Futuristic Cab simulator game CyberCab for OUYA Console
• Started using Godot Engine from 1.0 release.
• Co-created strategy game Tanks of Freedom with P1X team.

2013

• Created Piradice a turn-based game from scratch in pure JavaScript.
• Created humorous and irrational game Office People for Firefox OS.

Resources & Links

Professional

1. Cyfrowy Nomada - My Company
2. beffio - Current Employer
3. P1X Studio - Indie Game Studio
4. GitHub Profile - All Source Code
5. itch.io - Playable Games

Writing & Documentation

1. smol - Current Projects & Dev Log
2. Bits - Technical Archive 2018-2022
3. Blog Archive - 2016-2018

Talks & Presentations

• Godot Engine - Open Source Alternative
• Pixel Art - How Hard Can It Be? - GIC 2015
• Why We Chose Godot Engine - 4Developers 2015

Social & Portfolio

1. Mastodon (Fosstodon)
2. GitHub
3. ArtStation
4. Soundcloud
5. Vimeo
6. Steam

Support My Work

1. Buy P1X Games
2. Donate via Liberapay