Tinker Loop

Wire up the circuits. Power your lab. Uncover the science hidden inside everyday wonders. Tinker Loop is a circuit puzzle game where you rotate tiles to connect a power source to its target. Each solved puzzle earns Sparks — the currency you use to upgrade your Lab and unlock Discovery Cards packed with real science facts. ── HOW TO PLAY ── • Rotate tiles to form a continuous circuit from source to target • Solve quickly and efficiently to earn bonus Sparks • Every puzzle is unique — no two circuits are the same ── BUILD YOUR LAB ── • Upgrade five workbenches: Energy Desk, Rocket Bench, Weather Wall, Nature Scanner, and Robot Helper Bay • Each upgrade improves your Spark earnings, daily rewards, or puzzle bonuses • Max out your lab to become the ultimate Tinkerer ── DISCOVER THE WORLD ── • Unlock 12 Discovery Cards covering Space, Weather, Nature, and Invention • Cards are earned through skill — reach puzzle milestones, maintain streaks, master Time Attack, and complete Daily Challenges • Tap any card in your collection to read the full science fact ── GAME MODES ── • Story Mode: 25 hand-crafted puzzles followed by infinite procedural circuits that grow harder over time • Daily Challenge: a unique dual-circuit puzzle each day — connect one source to two targets simultaneously • Time Attack: solve as many puzzles as you can before the clock runs out ── FEATURES ── • Smooth 60fps animations throughout • Milestone celebrations at puzzle 10 and 25 • 7-day streak calendar to track your daily habit • Hint system for when you're stuck (costs 5 Sparks) • Full sound effects and background music with individual toggles • TalkBack accessibility support No ads. No in-app purchases. Just puzzles.