BUNKER PROTOCOL vs The Da Vinci Cryptex 5

You wake up alone in a sealed underground shelter. The door is locked. The lights flicker. Your only way out is to solve every puzzle the bunker throws at you. BUNKER PROTOCOL: Reactor Core is a fully 3D escape room experience designed for mobile. Explore every corner of a detailed underground bunker, examine objects, collect items, and piece together the solution to escape. FEATURES - Immersive 3D Environment: Explore a richly detailed underground bunker rendered in full 3D. Rotate your view, walk around, and examine objects up close. - Multiple Interconnected Puzzles: Solve a sequence of brain-teasing challenges, from valve alignments and symbol safes to wire repairs and cipher dials. Each puzzle unlocks the next. - Observation-Based Gameplay: Every clue you need is hidden somewhere in the shelter. No trivia, no outside knowledge required. Just look, think, and solve. - Item Collection & Combination: Pick up tools and key items scattered throughout the bunker. Combine them to create new solutions and unlock hidden mechanisms. - Sequential Puzzle Progression: Puzzles unlock one by one in a carefully designed order. Restore power, crack codes, repair circuits, and ultimately find your way to freedom. - Hint System: Stuck on a puzzle? Use the built-in hint system to get a nudge in the right direction without spoiling the full solution. - Bilingual Support: Play in English or Japanese with full localization. HOW TO PLAY Tap to look around and interact with objects in the room. Examine everything, collect useful items, and solve puzzles in sequence. Each solved mystery brings you one step closer to escaping the bunker. THE CHALLENGE The bunker holds many secrets. A locked terminal. A sealed door. Valves that need the right sequence. A safe with mysterious symbols. Wires that need mending. Can you piece together every clue and find your way out? Download now and put your puzzle-solving skills to the test. Escape the bunker. Crack the protocol.

Welcome to the 5th chapter of the hit Da Vinci Cryptex escape room puzzle series! Are you ready to test your IQ and claim your freedom? Challenge your mind with 50 brand-new, hand-crafted riddles in this highly anticipated sequel. Trapped in a mysterious room once again, your only way out is to crack the clever logic enigmas hidden inside an ancient book. Find the clues, unlock the Cryptex, and discover what awaits you in the next chamber! As you progress, the mysteries deepen, and the challenges grow harder. How many enigmas can you actually crack? Warning: This brain-teasing adventure is highly addictive! ..:: FEATURES ::.. - 50 Brand-New Riddles: Unique, hand-drawn puzzles designed to challenge your logic. - Need a hand? Helpful hints are always available when you tap the lightbulb button. - Immersive Atmosphere: Beautifully stylized graphics and captivating background music that pull you right into the escape room. - Play 20 levels for free, unlock the full game with a single and cheap in-app purchase If you love escape rooms, word games, brain teasers, and tricky logic riddles, The Da Vinci Cryptex 5 is the perfect challenge for you! ------------------------------------------ About the Developer: XSGames is an independent solo startup from Italy, passionate about crafting clever puzzle experiences. Find out more at xsgames.co, or follow @xsgames_ on both Threads and Instagram