When comparing SpyParty [Early Access beta] vs OBEY, the Slant community recommends OBEY for most people. In the question“What are the best PC multiplayer games with asymmetric gameplay?” OBEY is ranked 14th while SpyParty [Early Access beta] is ranked 15th. The most important reason people chose OBEY is:
Works with Win/Mac/Linux with LAN or online servers.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Intense stealth gameplay
In SpyParty one player plays as a spy that needs to blend into a party full of NPCs, while trying to steal valuable documents. The other player plays as a sniper who has to figure out which person is the spy, and take their shot.
Pro Online two player
The gameplay is cat and mouse where one player is a sniper and the other is a secret agent. To pull this off the game is basically online vs two player.
Pro Multi-platformed multiplayer
Works with Win/Mac/Linux with LAN or online servers.
Pro Cute little bunnies vs gigantic weaponized robot
A very different style of asymmetrical game-play.
Pro Psychological and Coercive gameplay
Battle and force players to do your bidding against their own will to win.
Cons
Con Slow development
SPyParty is still in an open beta, something that it seems to have been stuck in for a while.
Con Small online community (as of August 2015)
The online community is currently small since it is still in early access, but they are a very friendly group of people.