Hacks 21 29: Introduction Hack 21. See the Grunts Dance with Macho Man Hack 22. Locate Secret Messages in Multiplayer Maps Hack 23. Uncover the Hidden Art Galleries Hack 24. Read the Master Chief Poster Hack 25. Customize the Zanzibar Signage Hack 26. Kick Around a Soccer Ball Hack 27. Collect the Hidden Sword on Outskirts Hack 28. Hidden Swords on Delta Halo Hack 29. Super Weapon on Metropolis |