Gravity Co., Ltd. GRVY

Gravity is like that old arcade you loved as a kid—small, scrappy, dripping nostalgia and surprisingly stuffed with cash under the counter. The Ragnarok franchise still prints money and the balance sheet could survive a zombie apocalypse, yet Wall Street values the whole shop at barely more than the cash in its till. If the next wave of mobile spin-offs clicks, upside is big; if they bomb, the war chest cushions the fall. The hitch? One ageing IP and bigger rivals circling. Fun speculative ride ...