GameToken set/get.
Check if the value of a game token equals to a value.
Check if a game token equals to any of a list of values.
Get the value of a game token.
Operate on a GameToken.
Set the value of a game token.
When 'Trigger' is activated, the gametokens previously saved with a 'store' flownode (supposedly at the end of the previous level) will recover their stored value
When triggered, the value of all specified gametokens will be internally stored. Those values can be restored by using the 'restore' flow node in next level.
Advance to a new level.