Possible Clues:

• Part of the game leads to repercussions and what amounts to a series of chain reactions
• Come off it! End chaotic series of knock-ons
• Chain of events making me infect food, accidentally
• Chain reaction metaphor
• Consequence of one event setting off a chain of others
• One event setting off a chain of similar events (2 words)
• Chain reaction's unstable end? Come off it!
• Consequence of one event setting off a chain reaction
• Fall of one playing piece causing the whole row to fall
• Knock-on consequences