How do you play Blind Spot?

Place blocks on the grid to break all sight lines from guards to the gem. Each guard looks in specific directions with a limited range. Tap an empty cell to place a block. When no guard can see the gem, you win!

What is a line of sight puzzle?

A line of sight puzzle challenges you to block or redirect vision beams. In Blind Spot, guards project vision cones in cardinal directions. You must place barriers so that no vision cone reaches the hidden gem.

How many levels does Blind Spot have?

Blind Spot has 30 hand-crafted levels across 5 difficulty tiers. Each tier introduces new challenges: more guards, tighter block budgets, cross-directional vision, and complex wall layouts.

Is Blind Spot free to play?

Yes! Blind Spot is completely free with no download or signup required. Play instantly in your browser on desktop or mobile.

Blind Spot — Line of Sight Puzzle Game

Level1

Blocks3

StatusVisible

Stars--

LEVEL CLEAR!

Gem

Wall

Block

Guard

Red cone = gem visible

Select Level

Blind Spot - Line of Sight Puzzle Game

BLIND SPOT

LEVEL CLEAR!