HomeGamesAdventureUnderworld Nightmare HDGames like Underworld Nightmare HD Here are some great alternatives to Underworld Nightmare HD by Chamela Aluthgedara : Scary Mansion: Horror Game 3D ★4.0 Shoot Your Nightmare Chapter 2 ★4.4 Zombie Monsters 2 - Basement ★4.4 Nightmares: Creepy Tap Tycoon ★3.3 Monsters & Nightmares ★3.8 House of Nightmare ★3.9 Horror Clicker ★3.6 Real Nightmare ★5.0 Never Slept Horror Game ★3.8 HOUSE 314: Survival Horror FPS ★4.6 NightmareF: A Knight's Tales ★3.4 Scary Games Coloring Book ★3.4 Little Nightmares ★4.2 Code Z Day Chronicles: Horror ★4.6 Zombie Shooter ★4.5 Erased Backrooms: Horror Game ★4.1