Free digital collectible card game where you pick a historical leader and build a deck to battle in your browser
Free cognitive tests to measure and improve your mental abilities
Stage
Not given
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Founded
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Based in
US
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Pricing model
Freemium
Free
Pricing
Free to play. Packs cost 4,400 gold (earned through play) or 440 gems (premium currency purchased with real money). Gems also purchase the Chronicler's Pass (battle pass) and cosmetics.
Not given
Key features
Play in web browser on phone, tablet, Chromebook, Mac or PC with no download
Choose from six historical Leaders each with passive ability, Command and three Signature cards
Build 40-card decks from five colors representing different historical themes
Duel against AI on Easy, Normal or Hard difficulty
Play against other players in ranked matches or friend rooms
Free-for-All mode for 3 to 5 players
Draft mode to build fresh decks one card at a time
Guided First Chapter campaign teaching game rules
Real history sourced from primary and institutional sources
Parental controls and spending limits for younger players
Reaction Time Test - measure response to visual stimuli
Visual processing tests including Visual Memory, Symbol Search, and Color Blindness
Score tracking and comparison to other users
Leaderboard functionality
Aim Trainer test
Color Hue Test for color distinction
FPS Reaction training including Gridshot, Flick, and Tracking
What makes it different
Real American history integrated into card abilities and deck building, not fictional or fantasy
Free to play with no cards sold directly; all cards earnable through gameplay
Installable as progressive web app with no download from app stores
Recommended for ages 7 and up with built-in parental consent and controls
Historical accuracy verified against primary sources with transparent sourcing
No signup required - tests available immediately without account creation
Tests based on established research protocols rather than casual games
Scores stored locally in browser with no personal data tracking or sale
Accessible cognitive testing without requiring lab or academic credentials
Lost Chapters
Human Benchmark