This bingo card has a free space and 8 words: Half Life, Portal, Team Fortress, Counter Strike, Left 4 Dead, Dota, Day Of Defeat and Alien Swarm.
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Learn how to conduct a bingo game.
With players vying for a you'll have to call about __ items before someone wins. There's a __% chance that a lucky player would win after calling __ items.
Tip: If you want your game to last longer (on average), add more unique words/images to it.