Use the mouse to direct your fish. Attack enemies with the left mouse button, match your smaller fish into bigger ones by using the right mouse button.
Oceanar.io is a popular survival IO game online that sets in a vast ocean ruled by anglerfish. You play as a solitary angler fish trying to consume food and other smaller creatures to develop your food chain and build up your powerful fish army. The more you consume, the larger your squad will become. While you’re in the quest, make sure you stay away from the opponents that have stronger armies than you do. If you try to fight against them, you will die for sure as their fish will take out yours easily. Keep making your army big, gain more strength so you can gradually seize the top rank on the leaderboard. You will be able to slay the enemies that have big squads once you have increased your size. Try to stay observant, protect your fish army all the time, survive longer and beat the challenges! You ready? Play it now!