Dynamic Difficulty Adjustment (DDA) in Computer Games: A Review

Table 2

List of DDA approaches.

Author(s)	Approach
Xue et al.	Probabilistic Methods
Pedersen, Togelius, and Yannakakis	Single and multi-layered perceptrons
Spronck et al.	Dynamic scripting
Hunicke and Chapman	Hamlet System
Hagelback and Johansson	Reinforcement Learning
Li et al.	Upper Confidence Bound for Trees and Artificial Neural Networks
Ebrahimi and Akbarzadeh-T	Self-organizing System and Artificial Neural Networks