Free to play in your browser now
Kartenblitz Solitaire
Classic Klondike Solitaire with no download or account — featuring draw-one and draw-three modes, a daily deal, practice games and local best times.
Play free now17 games · more than two decades
Worlds that keep you playing
Free browser games, an open football sandbox and mobile classics full of distinct ideas: find your next Adrastea game.
- 3 games free today
- 14 mobile classics
- More than 20 years of games
Choose where to begin
Three games, three ways to start
Live quiz · playable around the clock
Schnellquiz
Drop in, answer and score: a new live trivia round starts every five minutes around the clock, straight in your browser with no account.
Play free now
Pro full version free to play
Championship Soccer
The free PC football classic combines direct matches, player careers, club management and freely editable football worlds.
Play free nowFrom PC to mobile and browser
Games change. The pull of one more good run remains.
- 2003
Championship Soccer
An open football world with direct matches, player careers, management and editing becomes the starting point.
- 2009–2015
Mobile releases
Fourteen games combine one-tap controls, physics, procedural levels, daily competition and asynchronous multiplayer.
- 2026
Straight to the browser
Kartenblitz Solitaire and Schnellquiz make starting a game immediate again: open and play.
Help shape games before release
playtesting.de
Join early, try new game ideas and share impressions that help teams shape what comes next.
Join playtestingCommunity
Players, tactics and long careers
Meet Championship Soccer players in the official forum and Discord, or jump straight into a shared Schnellquiz round.