From the game lab
Choose a puzzle, learn the twist & peek behind the screen
Learn the rules, work through a puzzle, draw a melody, and explore how small browser games are designed. Start with a guide, then try the idea for yourself.
Draw a melody. Hear what changes.
Explore Play Music Theory, meet Sketchtone, and try five musical drawing experiments with pitch, rhythm, chords, tempo, and timbre.
Play with music →Solve a Catdoku puzzle without guessing
Follow an original five-by-five teaching puzzle from empty board to solution, with diagrams and a reason for every cat.
Follow the walkthrough →How to play Catdoku
Learn the row, column, colored-region, and no-touch rules, then place each cat without guessing.
Read the rules →Which kind of puzzle fits you?
Compare logic, strategy, spatial, and number puzzles, then choose the kind of decision you want to make right now.
Choose a puzzle →Games for a five-minute break
What makes a short browser game easy to enter, meaningful to play, and comfortable to stop.
Find a quick game →Change one rule. Follow everything.
How a focused twist reshapes tactics, controls, camera behavior, feedback, tutorials, and edge cases.
Follow the consequences →Why try the puzzle again?
Clear rules, varied decisions, fair recovery, readable feedback, and the feeling that your next plan can be better.
Study the replay loop →Phone or desktop?
Compare touch, keyboard, portrait space, camera framing, loading, and locally saved progress.
Choose your screen →Double Move Chess rules
How two-move turns work, why a first-move capture or check ends the turn, and what stays familiar from standard chess.
Read the rules →Plan a two-move turn
Use quiet setup moves, create paired threats, and defend against an opponent who gets two actions at once.
Build a plan →Double Move or standard chess?
Compare turn structure, tactics, captures, checks, king safety, openings, and playing this chess variant against a bot.
Compare the rules →What if the board rotated?
A look at how gravity, camera framing, target shapes, and chain clears change a familiar falling-block puzzle.
Follow the rotation →What are HTML5 games?
What “HTML5 game” really means, how modern browser games run, and why they no longer need a plugin or installer.
Learn how they work →Browser or download?
Compare instant access, performance, storage, updates, offline play, and privacy before choosing where to play.
See the tradeoffs →