Achieving 100% completion in Bully: Anniversary Edition requires a disciplined approach to managing the game's expansive content, which spans five distinct chapters and culminates in an "Endless Summer" post-game mode. Players must balance mandatory story missions with academic requirements and optional side objectives. Because the game features a cyclical schedule of classes and specific unlockable challenges, efficient progression relies on prioritizing tasks that contribute to your overall completion percentage while navigating the social hierarchy of Bullworth Academy.
Mastering Academic Requirements and Skill Unlocks
Academic success in Bully is not just for show; completing classes is mandatory for 100% completion and provides essential character upgrades. You must attend and pass each subject, such as Chemistry, English, Art, Gym, and Music. Each class offers unique rewards, like the ability to craft firecrackers or improved combat techniques. Ensure you prioritize these during school hours to avoid falling behind on the overall completion checklist, as many missions require the specific skills taught in these sessions.
Engaging with Side Missions and Errands
Beyond the main story arc, the game features a variety of side missions and errands scattered throughout the open world. Look for blue markers on your map to identify these tasks, which range from delivering packages to helping students in distress. These activities are vital for filling out your completion stats. If you find a mission too difficult, such as specific bike races or boxing tournaments, return to them after upgrading your stats or unlocking better gear.
Navigating Social Chapters and Seasonal Events
Progression in Bully is tied to the school's social hierarchy, divided into five chapters that introduce new cliques and environments. Each chapter brings unique opportunities, such as the Halloween prank missions or the winter-themed Christmas missions. To reach 100%, you must clear every chapter-specific mission, including those involving the Preppies, Nerds, and Greasers. Pay close attention to chapter-locked events; once you progress to a new chapter, certain seasonal tasks may become temporarily inaccessible until you reach the post-game.
Optimizing Collectibles and World Exploration
Collecting every item hidden within Bullworth Academy and the surrounding town of Bullworth is a major time investment. This includes searching for hidden G&G cards, rubber bands, transistors, and gnome statues. Use your exploration time efficiently by clearing neighborhoods systematically. Many of these collectibles are tucked away in alleys or behind buildings, so thorough exploration is necessary. Keep track of your progress through the game’s pause menu to ensure you aren't missing key items before moving into the final stages.
Utilizing the Endless Summer Phase
The "Endless Summer" mode, which unlocks after the final showdown, is your ultimate safety net. If you missed specific side missions, bike races, or errands during the main story, you can return to them during this phase without the pressure of story-driven time constraints. Use this time to mop up remaining challenges, such as the go-kart tournaments or advanced combat trials. This is the ideal period to reach that final 100% mark if your previous efforts left any gaps.

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Player Comments
130 players commented on this guide.
Nice guide. I am checking the other HOT articles next.
Good guide for HOT players. The strategy part was useful.
I tried this today and it worked better than my old setup.
I wish I had read this before upgrading the wrong thing.