Lionfish Reef Heroes

Invasive lionfish are taking over the reef. Grab your spear and dive in. Lionfish Reef Heroes is a pixel-art underwater arcade game about a real conservation problem. Swim through ten ocean habitats, remove the lionfish that don't belong there, and keep the native wildlife safe. HUNT INVASIVE LIONFISH Spear lionfish while you keep an eye on your air and your health. PROTECT NATIVE REEF LIFE Sea turtles, rays and reef fish live here too. Learn who belongs on the reef. EXPLORE TEN OCEAN HABITATS From sunlit shoals to shipwrecks and coral atolls, each habitat has its own wildlife. FACE GIANT BOSSES Take on huge sea creatures like the Ironveil Kraken. UPGRADE YOUR GEAR Earn coins as you play and spend them on better equipment. NO ADS, NO PURCHASES No account, no ads and no in-app purchases. Your progress stays on your device. HELP WHEN YOU NEED IT Every habitat opens with a short tip, and Help and Tips pages cover controls, survival, wildlife and rewards. WEEKLY EVENTS A new goal every Monday, with a treasure chest and coins as the reward.