first person
The Pleasures of Immersion and Interaction

J. Yellowlees Douglas and Andrew Hargadon on the affective side of hypertexts via "schemas, scripts, and the fifth business."
Markku Eskelinen’s response to Julian Raul Kucklich
Markku Eskelinen reiterates the bounds of ludology.
Notes Toward a Proleptic History of Electronic Reading
Matthew Kirschenbaum rethinks the final section of First Person in light of "five basic strategies for furthering the history of reading."
Game Theories
It's "Game Time." Here in section four we see what the dynamics of time and space have to do with the games people play.
Game Design as Narrative Architecture
Henry Jenkins uses narrative space to distinguish between different tale-ends.