Human participants can remember, to a certain extent, the order of presentation of visuo-spatial sequences. Despite decades of work on this issue, most often framed within the modular approach of the working memory model, the processes underpinning memory for spatial sequences remain by and large unknown. I will present an attempt to address that issue, presenting some experiments examining the role of spatial transitions and their characteristics on the ability of participants to reconstruct the order of sequences of visual locations. The data indicate that the complexity of the to-be-remembered sequences, as measured by path crossing, path length, and angles, affect order memory. I will then present the results from further experiments suggesting that the path crossing effect does not appear to relate to the maintenance operations per se but may be driven by encoding and retrieval constraints. Finally, I will report recent data suggesting that path complexity effects may be a consequence of dynamic spatial distortions in the participants' memory. The results will be discussed with a general proceduralist framework.