Junk & Jolt

Physics Puzzles with a Spark

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Build wild contraptions and guide Jolt home! Experiment with ramps, springs, fans, magnets and portals across 50 playful physics puzzles. Build it. Bolt it. Send it! Junk & Jolt is a cheerful physics puzzle game where every solution begins with a pile of parts and a bright idea. Build strange little machines from workshop junk, press GO, and watch Jolt roll, bounce, fly and tumble toward the charging dock. When a machine fails, adjust it and try again. Your contraption stays in place, so every attempt teaches you something new. There is often more than one way to solve a puzzle. EXPLORE FIVE WORKSHOP WORLDS • The Workbench — learn ramps, springs and bounce pads • Wind Tunnels — master fans, conveyors and moving platforms • Magnet Yard — move crates, trigger switches and open gates • Portal Works — carry momentum through portals and smash obstacles • The Storm Engine — combine everything in the ultimate workshop challenge GAME FEATURES • 50 progressively designed physics puzzles • Place, drag, rotate, delete and undo machine parts • Deterministic physics that rewards careful adjustment • Three stars on every level • Optional battery cells to collect • Multiple possible solutions on selected puzzles • A lively mechanical hero with expressive reactions • Original workshop music, sound effects and haptic feedback • Offline single-player gameplay • No advertisements • No subscriptions Levels 1–10 are included free. Unlock Levels 11–50 with one permanent Full Game Unlock purchase. Free players can keep replaying the first ten levels and improving their scores without a time limit. Can you build the machine that brings Jolt home?

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    Seller
    • EOIN J TOLSTER
    Size
    • 37.8 MB
    Category
    • Puzzle
    Compatibility
    Requires iOS 15.1 or later.
    • iPhone
      Requires iOS 15.1 or later.
    • iPod touch
      Requires iOS 15.1 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Eoin Tolster