Open Game
The sequence diagram below illustrates the communication flow between the Player, HPGames, and the merchant for each game launch request.


Launch Parameters
The following table details the parameters that the merchant must supply to the HPGames platform to launch a game.
| Parameter Name | Data Type | Description | Required/Optional |
|---|---|---|---|
| merchantId | UUID (String) | Unique merchant identifier | Required |
| authToken | String | Authentication token or user session ID | Required |
| gameId | int | Identifier of the game to be launched | Required |
| demo | Boolean | Set to true to launch the game in demo mode. Defaults to false | Optional |
| language | String | ISO 639-3 language code. Defaults to ENG | Optional |
Example Launch URL
http://gateway.hplay.com/game/launcher?gameId=200100&merchantId=b5589a86-72f6-41c5-8795-57450140f502&demo=false&authToken=6dc6c60a-d581-46a0-9ece-2a1765009128&language=ENG