It's a pretty good game already, although maybe I'm a bit biased. The top players have thousands of hours in the game and tens of thousands of games played, it has been invited to e-sports events like EVO, it has long lines waiting to play at shows like the Penny Arcade Expo, and it was the secret final game of the PAX Omegathon a few years back. Qualitatively, SpyParty has been playable at a highly competitive level for years. There's an active online community of experienced players that love helping new players learn, and there's a brand new tutorial to ease players into learning SpyParty because it's such a different game design.

There is a very advanced spectation and replay system, so players can both spectate matches in progress, or look at replays of previous matches, and even play Sniper against the game they're spectating/replaying for added challenge while watching a match. The games last about 3 minutes each, and people tend to play 10 or 20 games in a match. Players connect through a lobby and play a match usually consisting of multiple games, alternating playing Spy and Sniper each game. “The current version of SpyParty is a two-player online experience.

Spyparty steam people playing now