Grand Poo World [SMW Hack]

Description

Grand Poo World – A Brutally Challenging Kaizo Super Mario World ROM Hack

For players who crave the toughest challenges the Kaizo Super Mario World community has to offer, few hacks are as infamous as Grand Poo World. Created by Barbarian and first released on April 9, 2018, this hack quickly gained a reputation for its master-level difficulty, creative level design, and dedication to one of the most recognizable figures in the Mario speedrunning community: Grand Poo Bear.

With 21 exits, custom music, and a carefully balanced “vanilla-plus” design philosophy, Grand Poo World isn’t just another Kaizo hack – it’s a rite of passage for those looking to test their limits in the world of ROM hacks.

A Dedication to Grand Poo Bear

The hack is a tribute to Grand Poo Bear, a popular Twitch streamer and speedrunner known for his dedication to Super Mario Maker, Kaizo Mario hacks, and the speedrunning community at large. The hack embodies the spirit of perseverance, skill, and humor that defines Poo Bear’s content and streams.

By naming the hack after him, Barbarian ensured that every level serves as both a celebration of the Kaizo community and a brutal test worthy of the name.

Gameplay and Design

Grand Poo World is designed for expert Kaizo players only. The hack leans into pure skill-based challenges, offering obstacles that require perfect execution, precision timing, and deep knowledge of SMW mechanics.

Some of the defining features include:

• 21 Exits of Master-Level Difficulty – Every stage pushes the player to their limits, with no filler or easy sections.
• Vanilla-Inspired Style – The hack retains much of the classic Super Mario World aesthetic, but enhances it with clever level design, modified palettes, and custom mechanics.
• Custom Music – Each level is accompanied by fitting tracks that enhance the atmosphere and intensity of the challenge.
• Kaizo Staples – Expect shell jumps, tight platforming, disco shell juggling, and setups that demand both precision and consistency.
• Boss Battles – Even bosses are reworked to fit the Kaizo style, offering unique challenges not found in the original SMW.

Version History

Like any polished ROM hack, Grand Poo World has gone through multiple updates to fine-tune the gameplay and remove unintended exploits.

Version 1.1

• Fixed dolphin RNG deaths at the end of Blu Blu Beach.
• Reworked disco shell section in the subworld of Botany Bay.
• Removed ability to spawn a key in second half of Cretacean Cavern.
• Patched final trick skip in Cretacean Cavern.
• Fixed cutoff at end of Fangorn subworld.
• Removed lag between phases in final boss battle.
• Reworked hammer timings in final boss for consistency.
• Fixed overworld error that let players skip Echo Base.

Version 1.2

• Made edits across several levels for smoother gameplay.
• Added new music tracks to Cretacean Cavern and The People’s Castle.
• Removed the in-game death counter for compatibility purposes.

These updates reflect Barbarian’s commitment to refining the hack into the ultimate Kaizo challenge while removing random elements and unintended skips.

Why Grand Poo World Stands Out

There are countless Kaizo hacks in the Super Mario World community, but Grand Poo World holds a special place. Its combination of legendary difficulty, polished level design, and community roots make it one of the most respected hacks of its time.

Players who conquer it earn more than just bragging rights – they prove themselves capable of overcoming one of the most unforgiving challenges in Kaizo history.

Final Thoughts

If you’re searching for a Kaizo hack that defines mastery, Grand Poo World is it. With 21 exits of relentless design, custom music, and homage to a beloved figure in the speedrunning world, this hack is both a punishing trial and a celebration of the community.

Whether you’re a veteran Kaizo player looking for the next challenge, or simply a fan of Grand Poo Bear wanting to experience the hack dedicated to him, Grand Poo World is a must-play for those brave enough to face it.

Good luck, have fun – you’ll need both.