🔐  The Vault
🎮
Game Library
Games, browsable.
Surprise
Old experiments. Pre-AI hand-written JS.
📜
Legacy CV
The original 2010s hand-coded CV. A relic.
🚚
Supply Chain (Snapshot)
Frozen copy of the supply chain sim, pre-refactor.

Niklas Billgren

Welcome to my personal website

NEW
🚀

CargoLander

A physics-based lunar-lander game with a supply-chain twist. Fly cargo across 10 handcrafted levels (plus procedural runs), upgrade your ship, and design your own missions in the built-in level editor.

Play Game
BETA
🏭

Supply Chain Tycoon

A logistics mini-game: build roads, run trucks, combine raw materials in factories and fill city orders before the clock runs out.

Play

Quick Converter

A mobile-first, high-precision calculator for US/Metric conversions with dynamic visual scales and integrated memory rules.

Open Converter
📄

Curriculum Vitae

Read more about my education, experience, and skills in logistics and development.

View CV
🧮

US/Metric Mental Math

Quick reference cheatsheet for practical mental conversions between US and Metric systems.

View cheatsheet
⏱️

Mental Math Game

Test your conversion skills in a fast-paced 60-second time attack practice mode.

Start practice