All kinds of games token can be exchanged for various items,
find Brailee NPC at Kugnae (X110,Y141)

Description QTY Game Token
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25k Life Potion 1
25k Mana Potion 1
50k Life Potion 2
50k Mana Potion 2
Experience Gem 3
Big Fish 5
Gold Fish 10
Barbarian Grass 15
Oh Iron 20
Jade Necklace 25
Scroll of Quest 30
Jadespear Blessing(1 Hour) 30
Five Star Poison 35
Silver Scissors 40
Silver Pickaxe 40
Silver Axe 40
Mystery Shop Reset 40
Hyun Iron 45
Chronus Ticket 75