Simple Key Holdings LLC
Clear puzzles, quiet joy, one tap at a time
Simple Key Holdings LLC crafts minimal, thoughtful casual puzzle games for every moment of the day. We design experiences that sharpen the mind without overwhelming it — clean rules, elegant levels, and satisfying progress that fits into coffee breaks, commutes, and quiet evenings. No noise, no pressure, just pure puzzle pleasure.
Number puzzles, path games and pattern challenges built for all skill levels. Gentle difficulty curves let every player find their flow and improve at their own pace.
ZONE: LOGIC • ENTRY LEVEL
Short, curated daily levels that build long-term engagement. Quick sessions, steady rewards, and a calm routine that players look forward to every day.
ZONE: DAILY • PROGRESS LAYER
Timeless, stress-free gameplay with no timers, no lives, and no penalties. A quiet space to unwind while solving gentle puzzles at a fully relaxed pace.
ZONE: ZEN • DEEPEST LAYER
"The best casual puzzles do not demand your attention — they reward it. Simple rules, infinite depth, and the quiet satisfaction of finding the answer. That is the game we build every day."
— Simple Key Games Design Principles