Is “Gamer” a Scrabble word?
Yes
GAMER
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Gamer
/ˈɡeɪmɚ/
noun
1.A person who plays any kind of game.
2.A person whose hobby is video games.
3.A person who games the system.