Satellite internet has very high latency, and this affects some games.
From their FAQ:
Will I be able to play console-based gaming?
Hughesnet is not recommended for console-based gaming activities because they quickly consume your Priority Data.
Can I play online games with Hughesnet?
Online games where you take turns, such as casino or chess, turned-based role-playing games and Facebook games work well with all plans.
Will I be able to play real-time gaming with Hughesnet?
Multiplayer games requiring rapid response are only supported with Hughesnet Fusion plans. However, console-based gaming is not recommended with any service plans because they quickly consume your Priority Data.
