S. De-freitas, Learning in immersive worlds. A review of game-based learning, 2006.

M. Prensky, Digital game-based learning, Computers in Entertainment, vol.1, issue.1, 2006.
DOI : 10.1145/950566.950596

R. Van-eck, Digital game-based learning. It's not just the digital natives who are restless, Educause Review, 2006.

M. D. Kickmeier-rust, N. Peirce, O. Conlan, D. Schwarz, D. Verpoorten et al., Immersive Digital Games: The Interfaces for Next-Generation E-Learning?, Universal Access in HCI, Part III, HCII 2007, pp.647-656, 2007.
DOI : 10.1007/978-3-540-73283-9_71

Y. B. Kafai, Playing and Making Games for Learning, Games and Culture, vol.6, issue.1, pp.36-40, 2006.
DOI : 10.1177/1555412005281767

M. Csikszentmihalyi, Flow., 1990.
DOI : 10.1037/10518-188
URL : https://hal.archives-ouvertes.fr/hal-01470857

D. Bra and P. M. , Adaptive hypermedia, Handbook on Information Technologies for Education and Training, pp.29-46, 2008.

M. D. Kickmeier-rust, D. Albert, C. Hockemeyer, and T. Augustin, Not breaking the narrative: Individualized Competence Assessment in Educational Games, Proceedings of the European Conference on Games-based Learning (ECGBL), 2007.

D. Albert and J. Lukas, Knowledge spaces: Theories, empirical research, and applications, 1999.

K. Korossy, Extending the theory of knowledge spaces: A competence-performanceapproach, pp.53-82, 1997.

J. Doignon and J. Falmagne, Spaces for the assessment of knowledge, International Journal of Man-Machine Studies, vol.23, issue.2, pp.175-196, 1985.
DOI : 10.1016/S0020-7373(85)80031-6

A. Newell and H. Simon, Human Problem Solving, 1972.

A. Newell, Unified Theories of Cognition, 1990.

R. Azevedo and R. M. Bernard, A Meta-Analysis of the Effects of Feedback in Computer-Based Instruction, Journal of Educational Computing Research, vol.28, issue.3, pp.111-127, 1995.
DOI : 10.2190/9LMD-3U28-3A0G-FTQT

J. Tan, G. Biswas, and D. Schwartz, Feedback for metacognitive support in learning by teaching environments, Proceedings of the 28th Annual Meeting of the Cognitive Science Society, pp.828-833, 2006.

M. D. Kickmeier-rust and D. Albert, The ELEKTRA Ontology Model: A Learner-Centered Approach to Resource Description, Lecture Notes in Computer Science, vol.4823, pp.78-89, 2007.
DOI : 10.1007/978-3-540-78139-4_8

M. D. Kickmeier-rust, B. Marte, S. B. Linek, T. Lalonde, and D. Albert, The effects of individualized feedback in digital educational games, Proceedings of the 2nd European Conference on Games Based Learning, pp.227-236, 2008.