可以和朋友在线一起玩的Investigation · Sci-fi游戏共 2 款，包括Species: Unknown和LOCKDOWN Protocol。
全部游戏: 2
Species: Unknown is a 1 to 4 players co-op survival horror. Complete high-risk missions aboard an abandoned ship while being hunted by an unknown creature. Survive and upgrade your gear to face each new threat that lurks in the dark.
A first person social deduction game, combining real time action and communication, playable up to 16 players. While most players will cooperate to complete objectives to ensure victory, a small portion of dissidents will try their best to stop them at all cost, without being caught.