Blast-off is a hardcore jumper/runner/shmup, where your alter ego will be a ball of anti-matter seeking to leave our Universe. Anti-matter is extremely difficult to exist in our universe, because when it contact with matter it annihilates.
The gameplay revolves around controlling a ball of anti-matter seeking to escape the universe. Players must constantly accelerate upwards to avoid being pulled back down by gravity, a central challenge throughout the experience. Gaining speed is achieved by strategically positioning the anti-matter ball to blast away nearby matter orbs that are in pursuit. The closer the orb, the greater the boost in speed the player receives upon its destruction. Additionally, players can ride deadly vertical "death ray" beams, using them to slingshot upwards while carefully avoiding direct contact.
As players progress, they unlock a variety of active and passive abilities to customize their loadout. This allows experimentation with different playstyles, from precision-focused rail guns to area-of-effect plasma cannons. Choosing the right combination of abilities proves crucial for overcoming the game's challenging obstacles and boss encounters.
The core gameplay loop is highly addictive and satisfying. Constantly accelerating upwards, while deftly avoiding deadly obstacles and enemies, creates a compelling and replayable experience. The steep learning curve and high difficulty level demand that players master the physics-based movement and shooting mechanics to advance further.