Rīgas Metro — my unofficial [fantasy] transit [diagram] — I used the old 1980s style from old project maps, polished it, updated the names and added some color and transfer info. Did
Riga Metro - Wikipedia
Riga - Metro 2033 Wiki Guide - IGN
05.Metro 2033 - Riga Station - YouTube
Riga (Metro 2033 Level)/Walkthrough | Metro Wiki | Fandom