What I’m building
Lumina Clash
2025
Browser online game
LaunchMMO
2025
Launch browser MMORPG in one weekend. For bored devs.
Dyspozytor Maszyn 🇵🇱
2023
Built for Polish construction companies - organize machine jobs without chaos.
Zostanę Programistą 🇵🇱
2022
Don’t know how to start coding? This Polish eBook series shows the way.
Latest posts
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How I got my first paying SaaS customer in a boring niche
July 18, 2025
How I turned a stagnant product into my first revenue-generating SaaS by refining the offer, talking to real users, and running targeted ads.
My first AI agent: scans Reddit, sends me business ideas every morning
June 15, 2025
Built in 3 hours: an AI tool that searches Reddit for user pain points, scores them by business potential, and emails me a daily report. A simple but powerful way to spot ideas worth building.
What I’ve been up to lately, thoughts on AI, and 10 lessons from Pozitive Tech 2024
December 11, 2024
A personal update on recent business moves, reflections on the fast-moving world of AI, and key takeaways from the Pozitive Technologies 2024 conference-including some surprising facts you might not expect.
Building an indie MMORPG – part 7: Login, database persistence, monsters, items and obstacles
October 3, 2024
Implementation of registration and login system with a welcome screen. Game state persistence in MongoDB. Introduction of monsters with basic AI, item corpses, and tile-blocking obstacles like trees and rocks.
Building an indie MMORPG – part 6: Player vs Player combat, shared tiles, and new layout
August 1, 2024
First version of melee combat between players. Exception-based support for multiple players on one tile. New UI layout with left and right panels. Backend model restructuring and streamlined state management.
Building an indie MMORPG – part 5: smooth movement, player rotation & dynamic map loading
July 25, 2024
Fluid walking and rotation, real-time updates for nearby players, dynamic map chunk loading and cleanup, plus key backend threading and serialization improvements.