GuessTheDot.com
A free geography guessing game. Solo play, multiplayer lobbies, a daily challenge and a global leaderboard, all in the browser.
A geography game, a 3D anatomy atlas, a few games for YouTube Playables. Different sizes, different stages, all still in progress in one way or another. This page is just a place to keep track of them.
The bigger, ongoing ones. Both live, both still getting worked on.
A free geography guessing game. Solo play, multiplayer lobbies, a daily challenge and a global leaderboard, all in the browser.
A 3D anatomy atlas for higher education, with dedicated views for physiotherapy, medicine, nursing and movement science students.
A local Dutch product built specifically for the Dutch student debt system (DUO). Not applicable outside the Netherlands.
A typo- and grammar-tracking, spaced-repetition learning app across iPhone, web, desktop and browser. Mistakes made anywhere turn into flashcards everywhere.
Small arcade games and browser adventures, playable right here with no install. Some started as YouTube Playables; others bring new levels, challenges or online multiplayer.
A country name appears, you tap it on the world map. The faster and more precise you are, the higher your score.
Endless blob volleyball. Keep the ball off your sand and survive the mutations: moon gravity, two balls at once, a ball that is a chicken.
Endless street basketball. Pull back, let go, and score before the clock runs out. Five in a row and the ball catches fire.
Tap two or more matching pals to pop them, clear the level's goal before your moves run out, and climb as high as you can.
The same beach volleyball, now one on one against a real player. Make a room, send the code to a friend, and find out who smashes hardest. A one-minute training shows you every move first.
3D beach volleyball for phones. Run the ball down, pass to your teammate, leap above the net to smash it home, or throw yourself flat for a pancake dive off the sand.
A tiny fly, one delicious sandwich and 44 levels to choose from. Find the open side of the ants, dodge pepper showers and swatters, and face six bosses.
You are a fly, the sandwich is right there, and so is everyone who wants you dead. Dodge the swatters, grab the power-ups, and keep eating.
Kopstuk Solutions is where I put the things I make. Some weeks that's a full product, some weeks it's a small game I finished over a weekend. No fixed roadmap, just projects that felt worth seeing through.
Kopstuk Solutions is a sole proprietorship registered in Utrecht, the Netherlands, Chamber of Commerce (KVK) number 42160804.
Contact: paulkop4@gmail.com