B Block Buster Ultimate Advanced blockchain security CTF - Reentrancy attacks and Delegatecall exploits by selfmade ✓ · challenge · ready Smart ContractsBlockchain & Web3 B Block Hunter A god manipulates a human to complete tasks through time travel. by selfmade ✓ · challenge · ready Miscellaneous B Block With Buster A criminal syndicate has stored evidence on the blockchain by selfmade ✓ · challenge · ready Smart ContractsCryptographyBlockchain & Web3 B Blocked With Chains Two-stage blockchain heist: Infiltrate the token contract and manipulate the DeFi ecosyste by selfmade ✓ · challenge · ready Smart ContractsCryptographyBlockchain & Web3 B Buildroot Lab Buildroot is an open-source, automated tool that streamlines the creation of embedded Linu by selfmade ✓ · app · builds on install Embedded & FirmwareIDE & Code ServerDevelopment D Defend Planet from Cyberattack Alien hackers thwart cyberattack, secure planet's infra by selfmade ✓ · challenge · ready Web ExploitationScripting & Programming 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 Firmware Frenzy A mystery with clues in pictures, solve it to get a promotion. by selfmade ✓ · challenge · builds on install Hardware & Firmware F Flight To Break by selfmade ✓ · challenge · ready Web ExploitationMiscellaneous N Null by selfmade ✓ · challenge · builds on install Miscellaneous R RTOS Lab for Zephyr The Zephyr® Project strives to deliver the best-in-class RTOS for connected resource-const by selfmade ✓ · app · ready Embedded & FirmwareInternet of ThingsHardware & Electronics 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 Great Quest Humanity's last stand against impending alien invasion, Earth's Final Defense by selfmade ✓ · challenge · ready Web ExploitationScripting & Programming T The Red Trails Chapter II Shut down the digital organ-trafficking network by dismantling their entire infrastructure by selfmade ✓ · challenge · ready MiscellaneousPrivilege EscalationNetwork U U-Boot Lab U-Boot is an open-source bootloader used in embedded systems to initialize hardware and lo by selfmade ✓ · app · ready Embedded & FirmwareHardware & ElectronicsIDE & Code Server