The most common and most likely answer to this crossword clue is the 5 letter word DICEY
D
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C
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Y
Buddy explains!
The straight part
We know that "Like a game of Risk" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case like a game of risk = dicey.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DICEY mean?
DICEY adjective- Fraught with danger.
- Of uncertain, risky outcome.
- Of doubtful or uncertain efficacy, provenance, etc.; dodgy.
- Nauseating, rank.