When teaching 'games' from the various categories of TGfU (invasion/territorial, net/wall, target, striking), it is important to connect to outcomes.  Many games can be played at various grade levels with minor adjustments.  Crossover is an example of an Invasion/Territiorial game that is very high tempo and involves a great deal of strategy.  Download Crossover - Connecting to Outcomes document to view ideas of how this game can be linked to multiple outcomes in grades 1 to 5.