Daily Boulder Problem
On Sight
0
SENDS
0
PUNTS
Attempt Distribution
Onsight
0
2nd Go
0
3rd Go
0
LGBG
0
How to Play
You get 4 attempts to guess the boulder name.
The photo starts zoomed in and reveals more with each incorrect guess.
One new boulder every day. Build your streak by playing daily!
Add to your home screen for convenience — View guide
Help the game continue — Submit a Boulder
ON SIGHT
Daily Boulder Problem
FLASH ATTEMPT
Boulder problem
ZOOM LEVEL 4X
Guess 1
Guess 2
Guess 3
Guess 4
ON SIGHT
CORRECT!
PROBLEM IDENTIFIED IN 1 ATTEMPT
Boulder problem
Grade
Streak
0Days
Next Up
14h 22m
Climb hard, play harder. See you tomorrow.
ON SIGHT
Better luck next climb!
Boulder problem
The Big Reveal
Grade
Streak
0Days
Next Up
14h 22m
Climb hard, play harder. See you tomorrow.
ON SIGHT
Submit a Boulder
Click here to open in your mail app or send to with the problem name, alternate names/spellings, grade, and location.
Your submissions are greatly appreciated!
ON SIGHT
MAR
2026
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Proj List
Send
Punt
ON SIGHT
Install Guide

Install On Sight for quick access — it works just like a native app, no App Store needed.

1
Open Safari or Chrome
Visit on-sight.app in Safari or Chrome.
2
Tap the Share button
In Safari, tap the Share icon at the bottom of the screen.

In Chrome, tap the Share icon in the top-right corner of the address bar.
3
Tap Add to Home Screen
Scroll down in the share sheet and tap Add to Home Screen.
4
Confirm
Tap Add in the top right. The On Sight icon will appear on your home screen.
Open the app from your home screen — it runs fullscreen with no browser bar, just like a native app.
1
Open Chrome
Visit on-sight.app in Chrome.
2
Tap the menu
Tap the Menu in the top right corner.
3
Tap Add to Home Screen
Tap Add to Home Screen from the menu. You may see an "Install app" banner at the bottom of the screen — tapping that works too.
4
Confirm
Tap Add or Install when prompted. On Sight will appear on your home screen.
Chrome on Android may show an install banner automatically after a couple of visits — just tap it to install!
1
Open your browser
Visit on-sight.app in Safari, Chrome, or Edge.
2
Find the install option
In Safari, click the Share icon in the toolbar, then choose Add to Dock. You can also go to File → Add to Dock in the menu bar.

In Chrome or Edge, click the Install icon in the address bar, or open the browser menu and choose Install On Sight.
3
Confirm
Click Add or Install. On Sight will appear in your Dock or Launchpad (Mac) / Start menu (Windows).