Using an invisible coach to help players achieve fitness goals in exergames while retaining immersion

StrengthGaming: Enabling Dynamic Repetition Tempo in Strength Training-based Exergame Design

“…Richards et al [21][22][23] proposed three game design methods to overcome the problem of lacking agency in repetitive-motion exergames. Agency refers to the "ability to act within an environment" [21], and the more agency a game achieves, the better the experience. The work also developed Brain & Brown, a strategy card game for strength training.…”