In-house products · 2026
Kociołek
A browser platform for game nights with friends: a drawing game, a card game and casino mini-games in shared rooms joined by code, with no sign-up and no install.
Visit the website- Client
- Kociołek – our own product: party games for groups of friends
- Industry
- In-house products
- Year
- 2026
Challenge
For a game night at a distance, nobody should have to create an account, install an app or read long rules first. The idea: a place where a group starts playing together in seconds, on a computer or a phone.
Technically, that means several players should see the same game state almost at the same time, without heavy infrastructure that would be out of proportion for a private project.
Solution
To play, you pick a nickname and open a room or join one with a room code, with two to eight people or alone. In a room, players share the settings, the chat and the score. There is a drawing game, a card game for adults and casino mini-games such as roulette, blackjack or crash. An optional profile keeps your history and favourite games and counts towards the rankings.
We wrote the back end in PHP 8 without a framework; the clients keep the game state in sync by polling our own API. The front end uses plain JavaScript and its own CSS. Help pages with the rules and a form for bug reports with a screenshot and for game ideas are part of it.
Result
A group gets into a shared game with one code, with no sign-up and no install. The project shows how multiplayer logic can be built lean: our own back end, our own API and a front end without a framework.