gamesome (?.)

• animated
• antic
• capersome
• coltish
• exuberant
• frisky
• frolicsome
• full of beans
• gay
• hearty
• larkish
• lively
• mischievous
• playful
• prankish
• pranky
• rollicking
• rollicksome
• rompish
• skittish
• spirited
• sportful
• sportive
• sprightly
• vital
• vivacious
• waggish
• wicked
• zestful
• zippy