Arranged trip with side for game (8)
I believe the answer is:
spirited
'game' is the definition.
('spirited' can be a synonym of 'game')
'arranged trip with side' is the wordplay.
'arranged' is an anagram indicator.
'with' is a charade indicator (letters next to each other).
'trip'+'side'='tripside'
'tripside' anagrammed gives 'SPIRITED'.
'for' acts as a link.
(Other definitions for spirited that I've seen before include "Vigorous" , "Lively, in upbeat mood" , "Lively and brave" , "Full of energy and enthusiasm" , "Sparkling" .)