via the Xbox One app. Plus, viewers on any platform have the ability to mess with their favorite Tomb Raider streams when the game is in Expedition Mode: Once prompted, people in chat can vote to activate one of two cards, which alter gameplay in specific ways. Some cards remove health regeneration, add armor to enemies, grant players more melee damage or enable "Big Head Mode," for example. Voting rounds appear every six minutes or so, and this only works if the streamer uses the Xbox One Twitch app to broadcast the game. Now, let's talk about those rewards.