inexperienced player in gaming lingo: crossword clues

Matching Answer
Confidence
ARCADE
60%
ANTE
60%
NES
60%
AERO
60%
OBOE
60%
ROOKIE
60%
COLT
60%
NINER
60%
PAPA
60%
SIM
60%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)