What's this about?
GameHorizon supplies aligned video, actions and instructions from expert gameplay, then compares offline answers with stepwise online performance.
What exactly is a time horizon?
It is how long a plan must remain coherent: a single action, a short sequence or a distant objective. Longer horizons compound perception and control errors.
Why does this matter?
Author-reported preprint; 35 HF upvotes at fetch time.
- Offline scores can be checked against real play.
- Stepwise tests localise where a long plan failed.
- Twenty-one games are broad but not the full diversity of interactive worlds.