Amazon has the NieR: Automata Game of the YoRHa Edition PlayStation 4 for $20 with free shipping on $25+. Includes RPG elements such as leveling, different weapon types, combat skills, and customizable loadouts.
Has excellent Amazon Reviews.
Amazon has the Game Monkey NEOGEO Mini International for $50 with free shipping. Features 40 pre-installed games (including King of Fighters, Fatal Fury, and Metal Slug), 3.5" color LCD, stereo speakers, & joystick controller, built-in instant save/load function, HDMI port, 2 external controller ports, & earphone jack.
Has good Amazon Reviews.