Filip Karlberg

I create stuff 🛠️🧑‍💻

About

👋 Welcome!

I'm a coffee enjoyer from Sweden who has been building maps for the arcade racing game Trackmania for the past few years. Currently developing tools and websites for fun.

If you have any questions or want to know more, feel free to reach out!

Projects

  1. 2026 —

    A trading card game where users collect Trackmania player cards and build collections. Features unboxing, a player-run market, leaderboards and a real-time activity feed. 500+ daily users. Requires an Ubisoft account to play.

    • Next.js
    • Supabase
    • PostgreSQL
    • Tailwind
    • WebSockets
    • NodeJS
  2. 2026 —

    bop

    An 8-button keyboard game with different game modes and leaderboards. Designed to test hand–eye coordination and muscle-memory.

    • Svelte
    • SpacetimeDB
  3. 2026 —

    A multiplayer Minesweeper experience where players interact in real-time across shared boards.

    • Svelte
    • Rust
    • SpacetimeDB
    • Tailwind
    • WebSockets
  4. 2025 —

    tmgraph

    A Trackmania leaderboard data visualization tool that allows users to visualize leaderboard data for maps.

    • TypeScript
    • NodeJS
    • Tailwind
    • Redis
  5. 2025 —

    A trading tool for Old School RuneScape that analyzes the Grand Exchange market to find profitable item flips and dumps. It uses the OSRS Wiki API to fetch real-time data, calculates margins accounting for taxes and volume, and sends webhook notifications for potential opportunities.

    • JavaScript
    • NodeJS
    • SQLite
    • Webhook
  6. 2022 — 2024

    Game Level Design

    Designed and developed maps for the racing game Trackmania while forming and maintaining a community of thousands of people across different platforms. Provided high quality maps for competitions and events such as DreamHack, Nordic Trackmania Championship and Trackmania Masters together with Waypoint Mapping. Shared my passion for mapping through YouTube and other social media.

    • Trackmania Editor
    • Davinci Resolve
    • Premiere Pro
    • Photoshop
    • Community Management
  7. 2023 —

    Auction app

    An auction website. Allows users to authenticate, create auctions, place bids, comment on auctions and more. Utilizes caching, background fetching and mutating of data for a seamless user experience. My first full stack web development project that I built during university.

    • MongoDB
    • Express
    • ReactJS
    • NodeJS
    • Tanstack
  8. 2022 —

    Wipe The Dungeon

    A 2D Dungeon game built in Unity. The player can interact with chests to pick up new weapons, level up, talk to NPC's and fight AI mobs. The goal of the game is to clear the entire dungeon as fast as possible with as few deaths as possible.

    • Unity
    • C#