Independent studio Β· Hong Kong

Puzzles people
love to open again.

Our Games

Solitaire - Brain Game cover

Solitaire - Brain Game

Classic Klondike with large cards, unlimited hints, and a world Journey Mode β€” built for comfortable daily brain training.

Triple Tile - Brain Training cover

Triple Tile - Brain Training

Senior-friendly tile matching with extra-large tiles, adaptive difficulty, and 300+ landmark postcards β€” play fully offline.

Block Puzzle for Seniors cover Coming soon

Block Puzzle for Seniors

Relaxing wood-style block puzzles on an 8Γ—8 grid β€” drag, drop, clear lines, and train spatial thinking without time pressure.

Sudoku for Seniors cover Coming soon

Sudoku for Seniors

Classic Sudoku with large numbers, five difficulty levels, smart hints, and pencil notes β€” calm brain training you can play every day.

Jigsaw for Seniors cover Coming soon

Jigsaw for Seniors

10,000+ vivid images with extra-large pieces, zoom tools, and difficulty from 36 to 400+ pieces β€” jigsaw made easy to see and play.

Spider Solitaire cover Coming soon

Spider Solitaire

Classic Spider with big cards, 1–4 suit challenges, night mode, unlimited hints, and full offline play β€” built for comfortable strategy.

The studio

Born in Hong Kong.
Played worldwide.

We are an independent studio making fun, accessible puzzle games. From Solitaire and Tile Match to Jigsaw, Sudoku, and Block Puzzle β€” we refine classic play with readable UI and inclusive design for players of every age.

Our story β†’

Readable by design

Large cards, clear tiles, and generous touch targets β€” comfort for long, easy sessions.

Store-ready craft

iOS and Android releases polished for international players, privacy, and lasting quality.

Made with love for games

When the team loves the craft, players feel it β€” experiences worth returning to.

Trusted ecosystem

AppleAppLovinCocosGoogleInMobiMetaMintegralPangleUnity

Partnerships

Grow with KST GAMES

Publishing, distribution, and strategic collaboration β€” write to business@kstgames.com

Start a conversation

Careers

Join a studio that values craft

Design, engineering, and product β€” apply via support@kstgames.com

View open roles