Paintball is a lot like chess in that both require complex strategizing and both are almost impossible to win against autonomous robots. Practice your stalemate skills with today's Groupon to CRU Paintball in Flint. Choose from the following options:

• For $37, you get all-day admission, equipment rental, and unlimited air for two, plus 500 paintballs (a $75 value).
• For $69, you get all-day admission, equipment rental, and unlimited air for four, plus 1,000 paintballs (a $150 value).
• For $99, you get all-day admission, equipment rental, and unlimited air for six, plus 1,500 paintballs (a $225 value).

CRU Paintball's 50,000-square-foot indoor arena houses well-lit paintball battles free from the whims of outside weather. Gladiators of any skill level outfit themselves with a mechanical marker, mask, hopper, tank, and turpentine-filled first-aid kit before marching onto a full-size tournament field speckled with strategically placed obstacles for ducking, firing, or taking tea-time breaks between volleys. Fresh paintballs can roll to the aid of beleaguered tacticians ensuring that opponents leave matches sporting neon badges of courage. CRU Paintball requires all of its guests to sign a liability waiver before participating.