B Block Hunter A god manipulates a human to complete tasks through time travel. by selfmade ✓ · challenge · ready Miscellaneous D Docker Security Docker Escape Sequence by selfmade ✓ · challenge · builds on install Miscellaneous E Enchanted Wizardry Quest Embark on a Harry Potter-themed journey, unlock characters, and defeat enemies through mys by selfmade ✓ · challenge · ready Web ExploitationMiscellaneousSUID & Sudo F Flight To Break by selfmade ✓ · challenge · ready Web ExploitationMiscellaneous H Hacker News A Model Context Protocol (MCP) server that provides access to Hacker News stories, comment by docker ✓ · mcp · 4 tools · installable RSS & FeedsMCP Servers J Jupyter Lab JupyterLab is a web-based interactive environment for notebooks, code, and data, streamlin by selfmade ✓ · app · builds on install Data ScienceAI & LLMMachine Learning N Null by selfmade ✓ · challenge · builds on install Miscellaneous O OpenClaw Lab Self-hosted gateway lab for connecting messaging apps (WhatsApp, Telegram, Discord, iMessa by selfmade ✓ · app · builds on install ContainersAI & LLMAI Agents T The Binary Heist Journey of a young hacker from script kiddie to cyber defender, showcasing power in securi by selfmade ✓ · challenge · ready Binary ExploitationNetworkFormat String T The Cyber Jallikattu Embark on a digital quest blending Tamil Nadu's heritage with cutting-edge cybersecurity c by selfmade ✓ · challenge · builds on install Web ExploitationMiscellaneousRemote Code Execution T The Red Trails Chapter II Shut down the digital organ-trafficking network by dismantling their entire infrastructure by selfmade ✓ · challenge · ready MiscellaneousPrivilege EscalationNetwork N n8n Lab Comprehensive n8n sandbox for swiftly prototyping, testing, and deploying AI-driven automa by selfmade ✓ · app · ready AutomationNo-code & Low-codeAI Agents