Yes, you can play online games with Viasat Satellite Internet.
There will always be a .5 to 1 second delay from the latency caused by the communication distance between the customer's house satellite dish and the satellite dish in space. Keep in mind that different games will have different latency delays. An online game with multiple players that may need good reaction time like a First-Person Shooter (FPS) might have a higher latency delay while an online turn-based game might have a much lower latency delay because it is slower paced. You are also able to download online games with Viasat. There are multiple plans to choose from which are Bronze, Silver, Gold and Platinum with download speeds of 12, 25, 30, 50. 100 Mbps respectively. These download speeds are for downloading the games and their patches which do not have anything to do with the game play and if there is lag. Also be sure to check each plan's total data cap reprioritization limit (40 gigs to 200 gigs). Business plans may also be available.
If there are any issues with the latency or lag there are ways to reduce them.
Using a wired connection with an ethernet cable instead of Wifi will give direct communication to the dish. Or, if the game doesn't need to be connected to the internet to play, go offline with it by disconnecting to the network.
If any games need to be updated or any patches need to be updated make sure to pause them when something else is taking priority and continue them when fewer programs are running.
Any programs with an internet connection can cause lag if it is open as well since two or more programs could be competing for data.
When playing any online game there are multiple server options to choose from to give players the fairest chance of winning. It is always a good idea to select the game server closest to your area, for example if you live in Chicago then you would want to look for a server in the midwest so the signal doesn't have to travel as far.
Lowering the graphics settings of a game can help in lagging by decreasing the amount of memory and data a game needs to use. This should be found in the settings of most games played
If none of these options work the customer can always restart the router to restart the connection. To do this all you need to do is unplug the power cable, wait a minute or two and plug it back in.