Riiga is a term that can refer to several distinct concepts depending on the context. In the realm of board games, Riiga is a playable race in the popular game Twilight Imperium. This alien species is known for its unique abilities and strategic implications within the game's complex political and military landscape. Players who choose to control Riiga often employ specific tactics to leverage their strengths and overcome their weaknesses against other factions. Beyond board games, "riiga" might also appear as a proper noun in various cultural or geographical contexts. For example, it could be a name of a person, a place, or a specific organization. Without further context, it is difficult to pinpoint the exact meaning. The specific origin and significance of such a term would depend heavily on the source material or the domain in which it is encountered. Therefore, understanding the intended meaning of "riiga" necessitates clarification of its usage.