If i active
/scoreboard players set @a Test 1 {GameType:0}
All players in survival mode will be affected to 1 at score Test, not players in creative mode. (Normal)
If i active
/gamemode 3 @a {GameType:0}
Mode of all players will be change, not only players in Survival mode. (Bug ?)
Comments 3
I don't get how your first command can work : you are using the wrong tag, use "playerGameType" instead of "GameType". Then, yeah /gamemode command don't support datatag.
Syntax is
, see http://minecraft.gamepedia.com/Command#gamemode