In Repel The Monster, you step into an action-filled shooter where relentless foes pour in from all sides. Your primary goal is to battle through endless waves of monsters while locating and destroying their summoning portals. Each defeated creature adds to your score, and the ammunition and weapons they drop let you boost your arsenal. To finish a level, you must shatter every portal and halt the invasion. With straightforward controls, rapid combat, and addictive survival challenges, the game pushes you to chase top scores and prove yourself as the ultimate monster hunter.