Two ways to use the app: -The Companion assists you while you play the tabletop card game, Regicide. Easily track enemy health and attack. See at a glance which enemies you've defeated and which are upcoming. It supports combos and animal companions and even reminds you of the legal options for all combinations. -You can play the single player version of Regicide directly inside the app - no physical cards required! Solo play is unlocked by a one-off in-app purchase. Have fun and see if you can attain that elusive Gold Victory! See badgersfrommars.com for full rules on how to play Regicide - a challenging cooperative card game for 1 - 4 players!