In the Amazon Arcade, you're to collect and give prizes to Scarlet. You can earn these prizes by cheating in some of the games.
In the Fish Toss game, instead of throwing piranhas at the targets, climb inside the game and knock down the targets with your tentacles.
In the Caiman Jaw Claw game, simply walk right into the prize disposal and grab the prize yourself.
In the Dolphin Dunks game, grab a ball and climb into the game, repeatedly dip the ball into the basket until you get six points.
In the Fruit Blaster game, touch the turtle to start the game, then climb in and knock down the apples with your tentacles. To make it easier, you can keep the turtle aiming at one row while you hit the two others with your arms and legs.