Stuck on a tricky level of Number Sum? In this overview, You'll see how to master the Pen and Eraser modes to clear the board and hit those target sums every time!

About the Game

Number Sum is a logic puzzle where you must select the right combination of numbers to match target totals. It’s all about strategy, logic and addition!

What’s Covered in This Video

• Controls: How to toggle between Pen Mode (to circle numbers) and Eraser Mode (to remove them).
• The Goal: Completing the level by matching all target sums.
• Hidden Boards: How to view your completed board by dragging the "Level Complete" panel.
• Superscripts: Shows how superscripts keep a running total.
• Pro-Tips: Personal strategy for identifying which numbers to erase first.

Timestamps

• 0:45 - How to Reset your Progress
• 2:10 - UI Overview: Pen vs. Eraser Mode
• 2:47 - Solving a Basic Level & Strategies
• 3:50 - Superscript Explanation
• 4:20 - Viewing the Hidden Gameboard
• 6:18 - Advanced Levels with Colored Areas