Certain missions will indicate a specific game. Example: Hold'em, Omaha, Spin & Gold, Bounty Hunters tournament, Daily Guarantee tournament, AoF Hold'em, etc.
The game indicated in the mission means that the mission can only be completed by playing those specific games.
Examples:
Hold'em specifically corresponds to Hold'em cash games only. It does not include Hold'em variants such as AoF, Rush & Cash and Spin & Gold.
Bounty Hunters tournaments specifically corresponds to tournaments under the Bounty Hunters category and does not include Featured Events.