Risk System for Nintendo Switch immerses players in a futuristic battle against energy parasites that threaten humanity. Players take on the role of Alys, an ace pilot operating the RSK9, a ship designed to absorb parasite energy and convert it into powerful weaponry. The game emphasizes risk-taking, rewarding players for flying close to enemy fire to increase their B-Meter and firepower. Players can execute 'Risk Shots' to deal significant damage and convert defeated enemies into energy for shields, making offense a key strategy for survival.

Gameplay features include agile maneuvers such as Barrel Rolls for swift vertical movement and the ability to unleash devastating attacks with the Barrier Breaker when fully powered. Scoring is enhanced through combo mechanics that encourage players to destroy multiple enemies simultaneously. Additionally, players can explore different story paths based on their performance, adding a layer of strategy and replayability to this action-packed experience.