Practice basic strategy, card counting, deviations, and true count conversion. Six systems. Every rule variation. Track your progress to perfection.
Each mode targets a specific skill. Master them individually, then combine everything in free play.
Master the mathematically optimal play for every hand. Practice hard totals, soft totals, and pairs against every dealer upcard.
Train with 6 different counting systems: Hi-Lo, KO, Hi-Opt II, Omega II, Zen Count, and Wong Halves. Adjustable speed.
Practice the Illustrious 18 and Fab 4 surrender deviations. Know exactly when to deviate based on the true count.
Play full blackjack hands with realistic dealing, betting, and an optional counting overlay. Configurable table rules.
Sharpen your mental math. Given a running count and decks remaining, calculate the true count as quickly as possible.
A proven path from beginner to advantage player.
Study basic strategy charts, counting systems, and deviation indices with our interactive reference guides.
Drill each skill in isolation: strategy decisions, running counts, true count conversions, and deviation plays.
Combine everything in free play mode. Track your accuracy, speed, and progress over time until you hit 100%.
From beginner-friendly Hi-Lo to the ultra-precise Wong Halves.
| System | Level | Type | BC | PE | IC |
|---|---|---|---|---|---|
| Hi-Lo | 1 | Balanced | 0.97 | 0.51 | 0.76 |
| KO (Knock-Out) | 1 | Unbalanced | 0.98 | 0.55 | 0.78 |
| Hi-Opt II | 2 | Balanced | 0.91 | 0.67 | 0.91 |
| Omega II | 2 | Balanced | 0.92 | 0.67 | 0.85 |
| Zen Count | 2 | Balanced | 0.96 | 0.63 | 0.85 |
| Wong Halves | 3 | Balanced | 0.99 | 0.57 | 0.72 |
Start with basic strategy, then level up to card counting and deviations. Everything you need is free.
Enter the Arena