Coilgrove

Coilgrove is a portrait 3D bonsai wiring puzzle set around a hillside nursery. Choose one of eight authored trees, enter the training table, and drag the copper end along a bright spiral so the coil covers the active branch evenly. Next, pull the branch handle toward the translucent target canopy. Press Hold only when the pose, clearance, stress, and expected springback look safe. Bud guards, risky joints, stress rings, and recoverable failure evidence stay attached to the relevant 3D object. Successful coils, stable branch groups, full trees, and mistakes use distinct visual and audio feedback. Reduced Motion keeps an equivalent readable final state without relying on camera movement or intense animation.

The shipped campaign contains exactly eight different trees: First Coil, Open Fan, Wind Line, Falling Water, Twin Crown, Stone Grip, Quiet Jin, and Storm Exhibition. Difficulty rises from one guided branch to ordered multi-branch work, wind-shaped layouts, a three-stage cascade lock, twin-crown coordination, root-and-stone clearance, deadwood choices, and a final challenge with four supports removed in sequence before a five-view hold. Four seasonal chapters contain two trees each. Variation comes from branch topology, coil paths, hazards, support rules, tool constraints, and milestone states rather than a cosmetic rename or a larger number.

Nursery Bench shows completed work and earned Season Tags. Living Gallery reloads the saved player branch pose and presents it from fixed viewing angles. Gentle Hand records come from explainable performance evidence such as coil-spacing variance, peak stress, springback deviation, branch clearance, and correction count. A failed attempt names the affected object and provides an actionable next step without erasing already stable branches. English and Simplified Chinese can be switched at runtime. Background music, sound effects, and reduced motion have separate player-facing settings.

Advertising remains optional support, never an automatic solution. Rewarded requests cover a Practice Wire after failure, one Tool Tray redraw, or Double Seals on a successful report. A reward is granted only after a validated success callback whose token, type, and context match the active request. The game displays a waiting shield and pauses music during the request. Failure, closure, desktop unavailability, or a ten-second timeout does not block continued play. Low-frequency interstitials are attempted only on navigation back to the nursery from Season Portfolio or Living Gallery and share a ninety-second cooldown. No advertisement wraps a branch, bends it, passes Hold, awards a Season Tag, or changes Gentle Hand.

Every store image is composed from a real English Godot 4.6 runtime capture using the mobile renderer and the same procedural meshes, cameras, solver data, and interface used by the game. Coilgrove does not promise botanical growth simulation, a free camera, unlimited species, AI shaping, online collaboration, or offline high-detail rendering. The three-second recognition and ten-second first-action study remains a manual pre-release gate; automated material checks are not presented as human-study evidence.