NucleoSynthetica (2026)

A cosmic chemistry idle sandbox. Drag and combine atoms, discover reactions, form and terraform planets, build automated structures, and defend your core with turrets. Progress through the epochs, then rebirth to grow a new universe.

• 1 Steam reviews
• released 2026

Tags

• Idler
• Incremental
• Crafting
• Sandbox
• Automation
• Space
• Simulation
• Exploration
• Resource Management
• Puzzle
• Science
• Management
• Building
• Physics
• 2D
• Casual
• Stylized
• Sci-fi
• Inventory Management
• Singleplayer

See NucleoSynthetica on the map of Steam · Steam store page