Column 21
four-column blackjack solitaire
Place one card at a time across four columns. Clear at 21, survive to five, or bust. Streak bonuses and a 180-second clock keep decisions fast.
Seeded deals · repeatable practice
Play nowThe arcade
Free, complete, browser-based practice for four skill games. No account required, no download, no entry fee.
four-column blackjack solitaire
Place one card at a time across four columns. Clear at 21, survive to five, or bust. Streak bonuses and a 180-second clock keep decisions fast.
Seeded deals · repeatable practice
Play nowtimed power-up bingo
Ninety seconds, numbers called every 2.5 seconds. Daub fast for speed bonuses, fill the boost meter, and claim your patterns before the clock runs out.
Seeded deals · repeatable practice
Play nowtimed scored Klondike solitaire
Five-minute draw-three Klondike. Each move earns points; finishing the deal early converts the remaining clock into a time bonus.
Seeded deals · repeatable practice
Play nowtimed solo tile crossword
Seven tiles, a 13×13 board with premium squares, and five minutes. Play all seven tiles in one turn for a bingo bonus; remaining seconds convert to points.
Seeded deals · repeatable practice
Play nowGuides and account
Gumroad delivers your guide PDFs through your receipt and Gumroad library. The practice tables are free without signing in. This site does not currently provide an advisor or saved session history.
Install the arcade
iPhone / iPad
Tap the Share button in Safari, then choose Add to Home Screen. The arcade opens full-screen once installed, with no browser chrome or entry fee.
Android / desktop Chrome
Open the browser menu and choose Install app (or "Add to Home Screen" on Android). Runs as a standalone app from your home screen or taskbar.