Where was the game manufacturer who introduced RSVP based?
RSVP (board game) RSVP was a vertical version of "Scrabble" introduced by Selchow and Righter in 1958 and promoted as "3-D Scrabble". Two players spelled words using cubical tiles with letters on an upright grid board.
SG Interactive SG Interactive (Smilegate USA), formerly Ntreev USA, is a US-based publisher of free-to-play online multiplayer games, including multiplayer golf game Pangya (which on December 12, 2016, was shut down), anime-inspired MMORPG Trickster Online (shut down in February 27, 2013), action brawler Grand Chase (Service Transferred to KOG NA in March 31, 2014) And MMOFPS Project Blackout (Service Transferred January 13, 2014) .