Weapon Merge began as a three-hour game jam project and later evolved into a cross-platform casual game released on iOS, Android, and WebGL. The original prototype was created for Mini Jam 73, whose theme was “Power” with a limitation of displaying only five colors on screen at once. We interpreted the theme as weapon power and developed a physics-based merging game around increasingly powerful weapons. The core interaction is simple: a mechanical claw moves above a battlefie