Cheat to win at end of simple card game (8)
I believe the answer is:
cribbage
'card game' is the definition.
(cribbage is a kind of card game)
'cheat to win at end of simple' is the wordplay.
'cheat' becomes 'crib' (cribbing is a kind of cheating).
'to win at' becomes 'bag' (I am not sure about this - if you are sure you should believe this answer much more).
'end of' suggests the final letters.
The final letter of 'simple' is 'e'.
'crib'+'bag'+'e'='CRIBBAGE'
Can you help me to learn more?
(Other definitions for cribbage that I've seen before include "Card-game" , "Card game for two to four players" , "activity for couple sitting at table" , "Card game scored with pegs" , "Card game with a winning score of 121" .)