The "Make Something" jam is meant to inspire to finish a project, no matter what the project is. 

But, if someone needs suggestions for a project they wanna do here's a few:

Theme: 

• Echoes
• Unseen forces
• Fantasy

Mechanic-based Ideas:

• One button controls
• Time manipulation
• physics-based movement

Genre Twists:

• A horror game without monsters
• A roguelike without combat

Aesthetic/style suggestions

• Pixel Art
• ASCII graphics
• Hand-drawn
• photorealism