Spreadsheet Blackjack

Unblocked blackjack that looks like a spreadsheet. Hit, stand, double, split — played with keys, mouse, or touch. The boss key (press H) hides it all in an instant.

Looks like work. Plays like blackjack. Hide your game with a quick tap of the boss key. The best unblocked game for bored-at-work players.

Sharpen your skills with unlimited simulated hands. Test strategies and rule sets without risking a cent.

Casino-Accurate Rules

Match any casino's table rules: decks (1–12), splits up to 8 hands, doubles before or after split, DAS, re-split aces — all configurable.

DDM Variant

Double Down Madness: a genuine casino variant. Start with one card, double at will, hit after double. Dealer peeks for BJ; 22 pushes all.

Boss Key

Press H to instantly fill the grid with fake dollar amounts, hiding the game from view. Press again to return to play.

Card Counting Training

Seven counting systems (Hi-Lo, KO, Omega II, Hi-Opt I & II, Wong Halves, Red 7) with live running count, true count conversion, and count-based bet advice.

All gameplay runs client-side in your browser — no download, no account required, no cookies. The spreadsheet layout lets you play unblocked and discreetly at work or school/university without drawing attention.