Mario's Grand Adventure – SMW Hack, Bowser Jr. Invades the Fungus Islands, Mario & Luigi, PAL | Custom SNES Cartridge

Mario's Grand Adventure – Custom SNES Cartridge (PAL)

Mario and Luigi are on vacation in the Fungus Islands when Bowser Jr. decides to colonize the archipelago. The debut SMW hack from AppleBoy54321 — colorful HDMA effects, custom music, short snappy levels with SMB3-style pacing and Layer 3 effects in castle stages.

✅ Compatible with:

Super Nintendo (SNES) · Super Famicom

🎮 Features:

• Bowser Jr. as the main antagonist — colonizing the islands while Bowser takes a break
• Short, snappy levels with SMB3-style pacing
• HDMA color effects and custom music throughout
• Layer 3 effects in castle levels
• Colorful, cheerful aesthetic with varied environments
• High-quality custom cartridge shell
• Plug and play — no setup needed

🕹️ Perfect for:

SMW fans looking for a lighthearted, colorful adventure.

ROM hack by AppleBoy54321.