Fieldglass — Offline Minesweeper

Fieldglass is a polished, fully offline minesweeper game for your Chrome toolbar — a modern take on the classic mine sweeper logic puzzle you know from Windows, now with unique Sonar Scout intel. Whether you search for minesweeper, mine sweeper, campominado, buscaminas, démineur, or an offline brain game for Chrome, Fieldglass delivers classic grid clearance without accounts, ads, or internet. HOW TO PLAY Clear the grid without detonating hidden mines. Left-click to reveal safe cells; right-click or long-press to flag suspects. Numbers show adjacent mine counts. Chord-click a number when surrounding flags match to clear neighbors fast. WHY PLAYERS CHOOSE FIELDGLASS • Sonar Scout — ping a hidden cell for proximity intel (Quiet / Echo / Hot / Contact). Two pulses per game — a feature you will not find in basic clones. • Daily Fields — everyone gets the same deterministic board each day. • Atlas Skins — six visual themes: Survey, Night Ops, Canopy, Harbor, Volt, Gridlock. • Grace undo — rewind a detonating click before the loss is locked in. • Fully private — no data leaves your device. DIFFICULTY MODES • Scout (9×9 · 10 mines) — beginner minesweeper • Field (16×16 · 40 mines) — intermediate • Ops (30×16 · 99 mines) — expert / classic Windows expert size • Custom boards — set width, height, and mine count • Daily challenge — one shared puzzle per day FEATURES • Safe first click, flood fill, chord reveal, flags, and question marks • Timer, mine counter, and clearance progress bar • Hints, undo (up to 100 moves), and auto-save when you close the popup • Local statistics, win streaks, best times, and field awards • Keyboard shortcuts: arrows navigate · Enter reveal · F flag · S sonar · R reset · U undo • Sound effects, light/dark/system theme, color-blind palette, high contrast • Works 100% offline — ideal logic puzzle and brain-training for travel or focus breaks FAQ Q: Is Fieldglass free? A: Yes — free minesweeper for Chrome with no ads and no in-app purchases. Q: Does it work offline? A: Yes. No account or internet required after install. Q: Does Fieldglass collect data? A: No. Saves, stats, and settings stay in local storage on your device only. Q: What makes it different from other minesweeper extensions? A: Sonar Scout proximity pings, daily shared boards, grace undo on mine hits, and six atlas themes. PRIVACY Settings, saves, stats, and achievements stay in local storage on your device only. No sign-in. No tracking. No ads. Perfect for fans of classic minesweeper, logic puzzles, brain teasers, and casual offline games in Chrome.