Snakesaurus, Pongosaurus, and Minesweeptor appear the moment your internet actually drops, and clear out when it comes back.
Users
3
−1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#303K
#260K among extensions
Version
1.1.0
updated 7 Sep 2026
Users
monthly, 2 months
Latest, 12 Nov 2026:3 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 months
Latest, 12 Nov 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About 404 B.C. — Offline Arcade
The moment your internet actually drops, 404 B.C. opens one tab with a small arcade in it. When the connection comes back the game freezes and closes itself — unless you'd rather keep playing.
Install it once and forget it. No account, no setup, no settings you have to understand first. The next time the wifi dies, it's already there.